Find Circumference of Circle whise Diameter is 42 Cm
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D=42cm
R=21cm
Circumference =2pier =2*22/7*21*21
=2772cm2
R=21cm
Circumference =2pier =2*22/7*21*21
=2772cm2
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Circumference of a circle = 2 × 22/7 × r
Radius = d/2
= 21 cm
C = 2× 22/7 × 21
= 2 × 66
= 132cm
Radius = d/2
= 21 cm
C = 2× 22/7 × 21
= 2 × 66
= 132cm
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