Question

find the circumference of a circle whose radius is 10 cm​

Answer 1

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Refer to the above given attachment ☝

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Answer 2

Answer:

Perimeter / Circumference of a circle

2πr

π= 22/7 , Radius = 10cm

= 2 × π × 10 = 20π cm

or 2 × 22/7 × 10 = 440 / 7 cm

440 / 7 simplify = 62 .8 cm