Question

How can we find the circumference of a circle whose radius is 10.5 CM please show me the answers clearly by practically

Answer 1

$circumference \: of \: circle =2πr \: \: = (2 \times 22 \times 10.5) \div 7 \: \: = 462 \div 7 \: \: = 66cm \: \: \: answer$

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Answer 2

Hey Mate Here is your answer

$circumference \: of \: circle = 2 \: \pi \: r$

$= 2 \times \frac{22}{7} \times \frac{105}{10}$

$= 2 \times 22 \times \frac{15}{10}$

$= \frac{660}{10} = 66 \: cm$

$circumference \: of \: circle = 66 \: cm$

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