Congruent triangle example 2 | Congruence | Geometry | Khan Academy

[@NafeeshaJohnson]

This video helped my son so much. Thank you for sharing your expertise.

[@tylerkaalberg7291]

Thanks, you saved me from hours of home work!!! Your a genius man!!!

[@Miabeloved]

Thank you I didn't know but now I understand. THANKS THANKS THANKS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

[@Summer26061997]

You genius, you miracle of life, you literally just saved me from hours of tears.

[@deliabailey7422]

2:22 So he did read the comments on the "Two column proof showing segments are perpendicular" video.

[@jerfersonmatos28]

I'm fed up with angles. This subject is boring

[@roderyckgeerlings]

You saved me again Khan. I follow maths in the Netherlands, but we don't have to give reasons why, which made me very confused of the statements! I knew the statements are true, but why would you do math if you don't understand it? Thanks!

[@ethancknox5149]

could you split quadrilateral AEDF into two triangles and find congruent by SAS, since AD = AD using the "reflective property" and find same answer that way?

[@KanyeMiddleEast47]

now my finals are so easy lol! thank you!

[@pianogang2273]

He sounds like a giddy child every time he says “Diagram”. It’s just hilarious!

[@star__over8618]

that the actual frick did i just watched

[@zionfultz8495]

I made an extremely convoluted proof to solve the first problem, but it accidentally also solved the second problem lol. Essentially I made a line segment AD, and showed the triangle CAD and BAD were congruent. Therefore BD is congruent to CD. Using this and the fact that the angles FDC and EDB are congruent that meant the triangles FCD and EBD were congruent. Meaning ED is congruent to FD (Second problem), and if CD is congruent to BD and DF is congruent to DE that means since point D sits on the line between BF and CE that BF and CE are congruent. This stupid proof somehow solves both problems in probably the worst way possible

[@alpha-pc5vj]

can you say it is CPCTC?

[@adityasaha6508]

the regents no longer accepts CPCTC as a justification

[@justincreimer]

hearing a lot of humming bass noise in this video

[@andrewquillverow9534]

I’m going to go fail a test now.

[@____-dd1ps]

Hey man. Its probably too late. But I hope you get a good grade! Best of luck to you.

[@ryankent9628]

make your vid more presentable

[@____-dd1ps]

stfu