Q. 18: Find the circumference of a
circle whose diameter is 4.2 cm
O 21.5 cm
O O
13.2 cm
O 8.8 cm
O 1.32 cm
Answers
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Step-by-step explanation:
The circumference of a circle = 2πr
=2×22/7×4.2/2
= 13.2 cm
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