Question

The area of a circle is 314 cm2. If = 3.14, then its circumferenceis :

Answer 1

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Answer 2

Let radius of circle be r

Given-

Area = 314 cm²

or, πr² = 314

r = √(314/3.14)

r = 10 cm

Circumference = 2πr = 2×3.14×10

Circumference = 62.8 cms

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