Question

3. Find the area of a circle whose circumference
is the same as the perimeter of a square of side
11 cm.​

Answer 1

Step-by-step explanation:

perimeter of square= 4 × side

= 4 × 11 = 44cm

circumference of circle= 2πr = 44

2 × 22/7 × r = 44

r = 7cm

area of circle = πr^2 = 22/7 × 7 × 7 = 154 cm^2

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Answer 2

Answer:

2×π×r=4×11

π×r=22

r=22/π

area =π×r×r

=π×484/(π×π)

=484/π

=154cm2

154 is ur answer ........hope it helps