Find Area of Red Shaded Circle Inscribed in a Square | Geometry Olympiad Problems

[@diffchoice11]

Very nice sum. Thanks

[@yusufzaiinamulhaque9015]

Better would have explained thru hand writing instead confusing thru comp

[@srinivas_a.r.]

Excellent

[@santiagoarosam430]

(r+5)²-5²=(20-r)²---> r=8---> Área círculo rojo -64π. Gracias y saludos.

[@AHMAR098]

Class 10th me removed hai?