Question Number 103338 by I want to learn more last updated on 14/Jul/20

Commented bysom(math1967) last updated on 14/Jul/20

OC=14−r  again OC=r(√2)  ∴r(√2)=14−r   r((√2)+1)=14  ∴r=14((√2)−1)cm  Area of shaded part  =(1/4)×π×14^2 −π×14^2 ((√2)−1)^2 cm^2

Commented byI want to learn more last updated on 14/Jul/20

Wow, thanks sir, i appreciate.

Commented byharckinwunmy last updated on 14/Jul/20

are you from Nigeria?

Commented byStudy last updated on 14/Jul/20

why OC=r(√2)

Commented bysom(math1967) last updated on 14/Jul/20

Commented bysom(math1967) last updated on 14/Jul/20

OBCA is a square with side r  ∴OC=r(√2)

Commented byTawa11 last updated on 15/Sep/21

nice