Class - 9th, Maths Ex - 12.2 Q - 1 ( Heron's Formula) Solution CBSE NCERT

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Complete Exercises Solution in below playlists :-
Ex - 6 Lines and angles - • Video
Ex - 7 Angles - • Video
Ex - 8 Quadrilaterals - • Video
Ex - 9 Area of Parallelogram and Triangles - • Class 9th , Ex - 9 ( A...
Ex - 10 Circles - • Class 9th , Ex - 10 Th...
Extra Questions - • Class - 9th Extra Ques...
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THANKS.

[@Inderrrrr.9]

Sir agle saal hm shayad 10th me ho jayenge shayad tu aap 10th ki bi thodi si video ddaal denaa hm greebo ko madad mil jayegi😂😂😂😂

[@shubhamchoudhary6417]

Yes me also today is my exam 😅🤒

[@Inderrrrr.9]

@@shubhamchoudhary6417 all the best bro😇😇

[@shubhamchoudhary6417]

Thanks

[@himanshu_y.17]

Oo bhai

[@himanshu_y.17]

Request kro sir se sbhi

[@thangsanglian6849]

Tomorrow is my math exam... Studying right now.... This helped a lot

[@user-cx9rx3fo9b]

Same 😂😂 from KV Chhawla New Delhi

[@thangsanglian6849]

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[@amritpalsingh1157]

Me also have exam tomorrow

[@inderjeetkaur4536]

Same here

[@user-cx9rx3fo9b]

Kaisa gaya aap logo Ka exam ?

[@manindersingh3572]

My test is going on 🤣🤣🤣🤣and i am here Any brilliant like me

[@projayghosh8845]

Bruhhhh

[@demon4107]

stupid

[@kunalrishi1863]

Yaaa

[@fftriggergamers9846]

Sir, your channel of maths is best than another channel of maths in KZbin for class 9. Thank you sir for this video 😊😊😊

[@uzumakinaruto3339]

Yes

[@satendersatender5279]

🤣🤭🥴

[@raiearth5684]

Yes

[@REALGAMINGKINGZ]

Yes

[@RamPrakash-iq3qu]

Thanks a lot sir u are amazing teacher👌👌👌👌👍👍👍👍👍 I really understand your video and your solution...... Great air...... I really want this exercise 12.2.....And your solution is very helpful for me Again sir Thanku so muchhhhh..... 🙏🙏🙏🙏

[@GirishVerma1982]

Mostly people see the videos before exams. 🤣🤣🤣

[@vibhasspeaks1847]

Yess😭😭😭

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@@vibhasspeaks1847 actually I also see before exams 😁

[@ABHAYPRATAPSINGH007]

Hmmmm

[@rishabhpathak9419]

Bhai kal hi hai😂😂😂😂

[@bhavyagotmani7795]

Ofcs

[@geetatiwari3972]

Sir you are the best teacher in lock down 🙏🙏🙏🙏🙏🤜

[@shivakumaryadave3200]

Thanks

[@satendersatender5279]

Tu ja n

[@tanvifriends8467]

@@shivakumaryadave3200 .

[@manjukumawat5107]

Kon kon exam ka 1 din phela es video ko dekh raha ha

[@drama.flixedits]

Thanks❤🌹😊 sir, love ❤ you. You are doing a great 😊👍👏 work for us, now sir i also make a channel like you and help the students. But you are the best teacher

[@ayushkumar4872]

When are you going to make your channel

[@nightapple3378]

@@ayushkumar4872 Pagal hai tu?

[@Feels-Like]

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[@vidhikanagar8151]

7:56 didi please tell me how to change under root 35 into 5.91 .please❤

[@Asff817]

Next day my exam😢 but i see this video before one day of my exam but not problem 😊😊😅 Because i finally get to my math teacher 🎉😊😂 Thank you sir...😊❤

[@Jangid_prince__]

Nice English

[@nareshverma3390]

😂

[@debumajhi12]

*"I WISH THAT IN 2023-2024 ALL BOARD EXAM STUDENT GET 98% ABOVE MARKS TO INSPIRATION FROM 'MKR SIR'."🙏🙏🙏*

[@user-mb9wu1xy3z]

Humse bhi perimeter nikaalenge to usmein 9 kahan se a jaega

[@user-mb9wu1xy3z]

You not explain the question clearly clear

[@debumajhi12]

@@user-mb9wu1xy3z BRO, AB=9m diya hua hain NAHI dikhta?

[@debumajhi12]

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@@debumajhi12 😅😅😂😂😂

[@novayt3346]

From my point of view... The best credit goes to the green board because it plays a vital role in our understanding...... 🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣

[@Lesii_8]

You are best teacher of you tub

[@RajeshKumar-il7kr]

You are very bad teacher because BD ka root nahi Kata. 👎👎👎👎👎👎😡😡😡

[@Rimjhim_9991]

Thankyou so............ much mandeep sir . you are the best teacher. 👌🏻👌🏻👌🏻👌🏻👌🏻👍🏻👍🏻👍🏻👍🏻

[@rahulg9162]

Hi

[@princerana6910]

Ma bhe acha padtha hu

[@vanshtejateja6039]

Thanku you sir for this video❤ 🙏😊😊😊😊🥰🥰🥰

[@ravinderrathi6335]

Sir your explanation is very easy to understand.. Whenever I have doubt in any question I see your videos and I score better marks from the previous test.. Thank you very much,😊👍👍😊.. Pehle maths se darr lagta tha abb nahii ☺☺

[@MdMustak-ow7rw]

Sir your mad of no wark

[@MdMustak-ow7rw]

Ok boy

[@inddailygamer2025]

Sir aap jeshe sir kaash hamare school me sir hote to ham bhi top karte our apne family ko khush karte

[@rishav8315]

Sahe baat haa

[@MishrA547]

Bauth aachi soch

[@babirubipradhan7532]

I thought thought that things

[@ARTWITH_Aashi01]

Ek dam sahi Baat h

[@mrjontybhai2561]

Thanxxx sir apki bajah se hamare study easy ho ghaye

[@youdontknowme6112]

Type krne k Style change kro

[@aishadobriyal]

Thanku so much sir .... Your explanination is superv😀😀

[@smilewithananya__]

thankuuuh sirr youuuu reee grearttt mene puri book revision krli apki help se sirrrr aapke saare videoz seen krliyee class 9 ke in 8 hours sir.........thankuuu you so muchhh💓💓💓💓💓💓💓 sirr.....

[@rajasuhial5406]

Sir please make a video on how to find square root please???

[@Starboy.Gaming]

Prime Factorisation Method

[@drpardeep9295]

Thank you👉👉🙏💕 sir

[@aadityamehandiyan8602]

Very best sir

[@ultramaxxff3836]

happy vinayaka chathurdi anna

[@R.V.5]

Happy chaturdi anna by the way I am from Gujarat not South Indian

[@harshitraj6364]

bhai ff khelte ho kya me bhi khelta hu

[@up77gamer96]

Very nice sir your explanation 👍👍👍

[@naveenchand7515]

Thanku sir kal mera test hh aur mujhe samaj nhi a rha tha apki vedio se bahut help mili

[@LxveMySkilllz09]

Tommorow is my exam and i am studing right now😂😂😂😂😂😂

[@bhanurathi8497]

Mᴇʀᴀ ᴛᴏ ᴀᴀᴊ ʜᴀɪ ᴀᴀᴊ ʜɪ ᴘᴀᴅʜ ʀʜᴀ ʜᴜ🤣🤣🤣🤣🤣🤣

[@YuvrajSingh-gq6mm]

Mera bhi kal hai

[@demon4107]

stupid

[@LxveMySkilllz09]

@@demon4107 Be oo saale tamez m rh

[@demon4107]

@@LxveMySkilllz09 tu tameez se bol pehele fir mai bolu

[@kakarot8521]

Thank you so much sir...you are brilliant tomorrow is my exam your video helped me to revise properly...I always watch your videos if I have any query 😘🙂🤗🤗😊

[@Zura00007]

ek din exam ke pehle ye sab dekho bc

[@vario1305]

Hey do I know u or do u have the same name

[@babirubipradhan7532]

Sir you are best teacher in my life sir I am proud of me because you are my teacher sir now I am improve 😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁

[@charankohli1817]

Thank you Sir

[@LakshmiLakshmi-wz7ne]

Thank you sir for teaching the nots 😊☺☺

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Thank you very much for your help

[@rithikkaky3437]

Full form of mkr M: muja bohat K: kuch samaj aa R:raha hai 😊😊😂😂

[@parth9216]

7:37 no link

[@heenalpatel9976]

yes

[@poonamsagar2543]

Yes

[@projayghosh8845]

Yes there is no link

[@parulsaini2434]

There is a link

[@rajdhanoa7680]

Yes

[@nandiniphadtare5984]

Thank you sir so much. l understand this question.

[@saibhavanamelipaka2362]

I have a doubt

[@minturock3319]

Bhai kitne level pe ho

[@bijansinha8737]

my level is 72

[@minturock3319]

@@bijansinha8737 okay

[@bijansinha8737]

Hi

[@rkgamingo3383]

Thank you sir🙏🙏 l Will easily understand all solutions you are awsme sir...

[@reenasingh8640]

Very nice and understanding explanation.👌👌👌👌👌👌👌👌👌😊

[@RadhaKrishna-pl3gi]

Thanku so much sir good and excellent teaching exaplanation🙏

[@laksita7113]

U are best teacher sir

[@shivakumaryadave3200]

Thank

[@narayanjat6961]

Sir tusi great ho 👌👌👌🤗🤗.......

[@kritika6369]

Sir you teaches very good and when I see your video then I have no confusion

[@prakritixi-orchid8736]

SIR WELL EXPLAINED!! HELPS A LOT !!!!

[@UTTARSHIKSHAACADEMY]

Sahi kaha

[@shakuntladevi2193]

Right @prakriti bakshi

[@prakritixi-orchid8736]

@@rohanchettri7893 It is bakvas for you not for me

[@diyarazdan4724]

Link kaha se mili prakriti?????

[@diyarazdan4724]

@@rohanchettri7893 teachers ki respect karna sekho

[@play2entertain158]

Thanks sir ,at first I wasn't understanding it . Bit now it is very easy 👍👍👍👍👍

[@vakeelverma1925]

9th to kro phle 😆😅😅😂😂

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Nice beta

[@vipinchouhan204]

Nice i am very impressed 😊

[@tlbrother8983]

Hello

[@singitagupta8533]

@@tlbrother8983 Hi

[@piyushxpro5223]

Ultra legends are watching in march 2021 😎😎

[@shreeshkhagar3361]

Ha bhai parso meri exam hai isliye

[@ajaypuri2162]

Bhai kal mera exam hai🤣🤣🤣🤣🤣🤣

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Ya bro😭

[@Shit_Pogging]

@@ajaypuri2162 mera bhi kal hai biro

[@vidhikanagar8151]

Yess bro🤣🤣

[@sabinaanjum4386]

Me learning this all fr today's exam at 11.30 am

[@aman_____official0113]

Hii

[@berriski1078]

Thank u so much sir I help a lot from this thank u for

[@keerthipai2239]

thank you sir I learnt a lot

[@mantashafatma1222]

Meri mam jo school m smjhati woh mere smjh m nhi aata🤣 aur sir jo ap smjhate ho bde acche se smjh m aata h 😊tqsm sir

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Ary beta phone pay jo dekh rehi ho 😅

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It's amazing feel when we write hence proved

[@Isha99679]

Good experience and exaltation

[@avnisharma8899]

Thank you so much...🌍🧿❤️

[@neetuyadav6106]

Thank you so much sir You are the best Maths Teacher in this world Thank you so much 😎😎

[@PulkitjasujaD]

Bilkul beakar sir hai y

[@neetuyadav6106]

Please mind your own business

[@moralearners6018]

Thank you sir i understand this question

[@Paglaaahu01]

Did u understand the answer 😂😂

[@anshuchaudhary696]

Hii

[@anshuchaudhary696]

😎😎😎

[@Paglaaahu01]

@@anshuchaudhary696 Hello

[@rajinderparshad4720]

OP sir ji very nice explanation 😎😎

[@robinkummar7154]

Thank you sir for this

[@rahulg9162]

Hi

[@vinodkumarrathoure9098]

You are superb Sir 👏👏

[@deepakpatel6031]

thanks sir and love u so much sir because you help us

[@rajuprasadyadav6246]

Thanku so much you are best teacher of mathematics 🙏🙏🙏❤️❤️❤️💛💛😊😊☺️☺️☺️☺️☺️🥳🥳🔥🔥🔥🔥🔥🔥

[@Skystar7y]

Who whaching in 2021 for annual exam 😂😂

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Me doot.😂😂😂

[@blackbolt8930]

tomorrow is my annual exam just revising by seeing this

[@amitgameplaygameing1594]

You study in n army school

[@blackbolt8930]

@@amitgameplaygameing1594 it's not an army school 8)

[@GazendrabasnetGazendra]

Me

[@dhatrasingh7286]

Side BD pta krne ke liye pythagoras theorem ko use krna zruri nahi hai Hme area pta hai aur do sides v pta hain to hm un dono sides ko add krenge aur area mein se subtract kar denge aur fir v to ans same hi aayega 30= 12+5+x x= 30 - 17 x= 13 m

[@VLOGS-qq5vu]

mujhe samjha di bhai please 🙏🏻🙏🏻🙏🏻😭😭😭 mujhe bhi samjh me nhi aa rha hai achhe se lekin sir achhe hain...

[@rajdhanoa7680]

@@VLOGS-qq5vu hmm mujhe bhii

[@erasthosthenessuzeswka744]

Area kaha se pata chala?

[@VLOGS-qq5vu]

@@rajdhanoa7680 oh

[@gamegod287]

Bhaai ye sab solution me work nhi karta i have tried this . Don't use silly or short cuts , I would like to tell you that this short cut will help you in getting marks but it will not help you in achieving something big . All the beat for the upcoming exams buddy😉

[@funforfun1884]

Thanks sir this question is very important for ut 2 exam and you explain it very well

[@prityranjan9762]

Great explanation sir....🙏🙏🙏

[@fenijivani6951]

Mind-blowing method sirr💪🏽‼️✨

[@balwinderkumar9956]

Mind ich blowing sir 😂 method too jhakas bole too bilkul

[@user-pz9qx9wu7x]

Sir you are best teacher in the world of math

[@thestudyschoolaspur3947]

SIR ON KZbin ONLY YOUR CHANNEL AND MANSI MAMS CHANNEL IS BEST.........

[@SonamKanyan]

Thanks sir

[@Doubt45]

Oh my God 1 million children have tution from Mandeep sir

[@anomouysanimgkikdkcc9341]

No there are more a million students who don't subscribe 😤😤😤😤

[@Doubt45]

@@anomouysanimgkikdkcc9341 ya

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@@Doubt45 ya bro

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@@Doubt45 bro I am from free fire 😂😂

[@mohsinsaifi4529]

Thank you so so much sir your teaches us very very well 👍👍👍👍

[@yogitasawariya8914]

Thank u so much 🥰 sir❤️

[@AnkitKumar-hd1nx]

Hii

[@AnkitKumar-hd1nx]

Hello

[@yogitasawariya8914]

@@AnkitKumar-hd1nx hi

[@trivenisinger2503]

Hello yaro kaise ho sab ke sab bdiya hai na 😁😀😀

[@jagsirsran855]

Thank uhh sir.... Ur method of teaching is vry wonderful 👍👍

[@tanishkharb5625]

,!#

[@ELahii26]

3:28 Hypotanous😜

[@pinkypinky2144]

Sir app √35 ka Long division method link rakh na bhul gye iss liye last me kuch samaj nhi aya

[@gauravgarg5475]

Bhai sun youtube par dall how to find root mkr classes a jayegA

[@triggeredgamer7647]

@@gauravgarg5475 thanks bhai

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@@gauravgarg5475 😂😂😂

[@mannimeena3247]

Thanks you sir today my test 😀😀😂😂😁😂🤣

[@mannimeena3247]

Apa bahut ache se samajate ho you are so sweet

[@skirtipal4523]

Sir aap inta achha explanation kr te ho ki teacher v confuse ho jate hai ki bachche padhte kaha se hai u r solve my doubt jo school teachers solve nhi krte hai wh aap solve kr dete hai sir🙏🙏🙏

[@skirtipal4523]

Same

[@ankitamaurya8184]

Sir aap bahut achha padhata ho 😄😄😄

[@sanyamrathi8329]

Best teaching sir👌👌🔥

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both hard

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Kash is baar 9th ka paper easy aaye nhí to pass nhi ho payenge kaash bhagwan help karde

[@anmolpandit4424]

Thanks sir Muja aap ke video bhote achi lagti ha 😃😃😃😃

[@vamshikrishna8687]

Sir thank you for explaining for me

[@royalamit00]

Thanks sir

[@trivenisinger2503]

Only for you no no no this is for only class 9 😂🤣🤣🤣

[@dashinggamers1507]

Aur dhanyavad master hi aapko mara pranam 🙏🙏🙏🙏🙏🙏🙏🤗🤗

[@nightapple3378]

Hi nhi ji😂😂

[@heeheeboitipstricks8169]

Where is long division method vedio

[@Techv580]

past is - 90s ki filma present is - dear sir future is - mrk classes😇😇 keep it up🥰🥰

[@MohitKumar-th4hb]

Legends are watching this after 3 years

[@shwetakumari7569]

That means failing 9th from last 3 years

[@MohitKumar-th4hb]

@@shwetakumari7569 no I said that video was uploaded 3 years ago we are watching this after 3 years

[@MohitKumar-th4hb]

@LEGEND * STRYKER * BOY wah bete wah tum toh bade heavy driver nikle🤣😂 sir padte nhi padate h

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😂😂😂

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@@piyushsinghrajput9245 pta nhi keise kaise log Aa jate h na bro bol rhe h ki sir padte h😂🤣😂

[@vinithak2232]

Thank you so much sir you are teaching very easy it's very useful for me to understand maths 🙏🙏☺️☺️

[@sonylenovo7083]

Sir please put a video about how to do long division

[@riyadey7795]

Sir aap genius ho 🙏🙏🙏🙏🥰🥰

[@wizard4060]

Aur Aap bevkuf..🙏🥰

[@luckyraghav5054]

Hame bhi aap jaise teacher ki jarurat hai 10th class ki bhi daal dena video you are the best teacher 😎

[@joanna4201]

Yes lucky you are right ☺️

[@harbhajansinghbuke6413]

sir muggy aap ka math solution acha lagta hai

[@getsetgaming3475]

sir no one will believe that me and my friend make our school notes from ur channel

[@muskanpatel1878]

Thank you sir for this today is my Test

[@ANKITTECH1]

Toh padne bet

[@middleclassgadget.8023]

@@ANKITTECH1🤣🤣

[@ANKITTECH1]

@@middleclassgadget.8023 kya do rakha bhai mai toh daar gya

[@yuzawa_hinata1146]

Thank you sir 💜💜💜💜💜💜

[@laxminpatil2987]

You are the real meance of mathematics, sir thanks for solving this problem in easy method

[@reetachaudhary71]

Thanks for explain sir

[@saumyadubey2205]

Nice explaining 👍👍 Thank you so much sir

[@cochelper6481]

sir plz upload that link in which u will be teach us about to fond the value of under root.Sir plz jaldi apload kiziye.🙏

[@anjanamaurya4716]

Please sir please

[@parvaroliya9873]

Vo to me kha gaya

[@mohdaurangajeb2224]

@@parvaroliya9873 kesa tha😂😂

[@boombaamvlog3258]

Please sir

[@singitagupta8533]

@@mohdaurangajeb2224 Acha Hoga 🤣🤣

[@JaspalSingh-bc3kc]

Link link where ' s the link Sir ????

[@Jatin_Gaming_20055]

Thankyou sir you are the best teacher

[@candyyt9609]

U r explaining like a real teacher sir hats off sir

[@randomguy4874]

Lol

[@scoutmagget]

Lol

[@chiragpandey5113]

Bro he is a real teacher

[@abiramiabi3721]

super explanation 😊