Question

Find the radius and circumference of a circle whose area is 616 m^2 (Take π = 7 22 )​

Answer 1

Step-by-step explanation:

Area = 616 m^2

Let the radius be x.

Area of a Circle = πr^2

=> πr^2 = 616 m^2

=> 22/7 × r^2 = 616

=> r^2 = 616 × 7/22

=> r^2 = 196 m

=> r = √196 m

= 14 m

Circumference of a circle = 2πr

= 2 × 22/7 × 14

= 2 × 22 × 2

= 88 m

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