Question

perimeter of a circle is 1 find the area​

Answer 1

Answer:

Let the radius of the circle is r cm

Perimeter of a circle = 2πr

2 × 22/7 × r = 1

r = 1 × 7/22 × 2

r = 0.159

Area of circle = πr²

= 22/7 × 0.159 × 0.159

= 0.08cm²

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Answer 2

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Let radius be r

perimeter= 2πr

1=2πr

r= 1/2π

Area= πr²= π× 1/2π×1/2π= 1/4π= 7/4×22

= 0.079