Find the circumference of the circle from the figure- -Use nbsp-22-7- 88 cm nbsp-120 cm-132 cm-8 cm-

The correct option is C 132 cm Circumference of a nbsp;circle nbsp;= 2πr, where r is the radius of the circle. Given that π = 22/7 and r=21 cm. ∴Circumfere ...

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Standard IX

Mathematics

Introduction to Circles

Find the circ...

Question

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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Find the circumference of the circle from the figure. (Use π=227)

The correct option is D 132 cm Circumference of a circle = 2πr, where r is the radius of the circle. Given that π=227 and r=21 cm. ∴Circumference =2×227×21=132 cm

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

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 $r = 21 c m .$
$∴ Circumference = 2 \times \frac{22}{7} \times 21 = 132 c m$