the circumference of a circle with diameter 1cm is
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3
Answer:
circumference of a circle = 2πr
= 2×22/7 × 1/2
= 3.14 cm
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Diameter = 1 cm
Radius = d/2 = 0.5 cm
Circumference = 2πr
= 2 × 3.14 × 0.5
= 3.14 cm
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