r= 20 cm circumference of area
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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
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2 ×22/7 ×20
2 × 3.14 ×20
125.6 c.m
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