If radius is 21 find diameter and circumference??
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Given, radius (r) = 21 cm and π = 22/7.
Circumference of the circle = 2πr.
= 2 × 22/7 × 21 cm.
= 2 × 22 × 3 cm = 132 cm.
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Answer:
Given, radius (r) = 21 cm and π = 22/7.
Circumference of the circle = 2πr.
= 2 × 22/7 × 21 cm.
= 2 × 22 × 3 cm = 132 cm.
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