Find the circumference of the circle from the figure.
(Use $π = \frac{22}{7}$ )

8 cm

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88 cm

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120 cm

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132 cm

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Solution

The correct option is D
132 cm

Circumference of a circle = 2πr, where r is the radius of the circle.
Given that $π = \frac{22}{7}$ and $r = 21 c m .$
$∴ Circumference = 2 \times \frac{22}{7} \times 21 = 132 c m$

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