Question

find the circumference of a circle whose diameter is 6 CM

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Answer 1

Answer:

Circumference = 2*pi*r

Diameter = 6 cm

Radius = 3 cm

Circumference = 2*22/7*3

= 18.85 cm.....

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Answer 2

Answer:

$2 \times \pi \times r \\ 2 \times 22 \div 7 \times 3 \\ 2 \times 66 \div 7 \\ 132 \div 7 \\ 18.85$

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