Question

Find the circumference if the radius of a circle is given by 10 cm . Take the

value of π as 3.14.​

Answer 1

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Given:-

Radius = 10cm

π value = 3.14

Circumference = 2πr

=> 2×3.14×10

=> 62.8cm

Also refer to the attachment..!!

Answer 2

$CIRCUMFERENCE \: OF \: \\ CIRCLE = 2\pi \: r = 10\pi$

2r=10

r=5

$AREA \: OF \: CIRCLE \: IS \: \pi \: r ^{2}$

3.14×5×5

3.14×25

78.5cm²