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What is the circumference of circle if the diameter is 21
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What is the circumference of circle if the diameter is 21

User Maharkus
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1 Answer

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Answer:

The circumference is 66cm

Radius = Diameter/2

= 21/2 CM

= 10.5 CM

Circumference of a circle = 2πr

= 2 × 22/7 × 10.5 CM

User Sashaank
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