Question

write the perimeter of a quadrant of a circle of radius 'a'

[HINT: answer is a/2(h+4)]

Answer 1

Area of a quadrant= 1/4 x π r^2
Here,Radius of the quadrant (r)= a
Therefore, Area of the quadrant=
1/4 x 22/7 x a^2
=11/28 x a^2
= 11a^2/28.

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