Question

r= 20 cm circumference of area

Answer 1

Ello..✌✌

Circumference of a circle is C=2πr

Given - Value of r = 20 cm

C = 2 π r

C = 2 × 3.14 × 20

C = 6.28 × 20

C = 125.6 cm

Answer 2

2 ×22/7 ×20

2 × 3.14 ×20

125.6 c.m

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