Find the circumference of the circle with diameter 14 cm-A- 7 cmB- 14 cmC- 44 cmD- 21 cm

The correct option is C 44 cm2 × radius=diameter radius = diameter/2 =14cm/2 = 7cm Circumference of circle = 2π r = 2 ×22/7× 7cm =44 cm ...

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Standard VIII

Mathematics

Circumference of Circle

Find the circ...

Question

Find the circumference of the circle with diameter 14 cm.

7 cm

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14 cm

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44 cm

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21 cm

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Solution

The correct option is C 44 cm
$2 \times r a d i u s = d i a m e t e r$
$r a d i u s = \frac{d i a m e t e r}{2}$
= $\frac{14 c m}{2} = 7 c m$
Circumference of circle = 2 $π$ r
= $2 \times \frac{22}{7} \times 7 c m$
= $44 c m$

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Find the circumference of the circle with diameter 14 cm.

The correct option is C 44 cm2×radius=diameter radius=diameter2 =14cm2=7cm Circumference of circle = 2π r = 2×227×7cm =44 cm

The correct option is C 44 cm
$2 \times r a d i u s = d i a m e t e r$
$r a d i u s = \frac{d i a m e t e r}{2}$
= $\frac{14 c m}{2} = 7 c m$
Circumference of circle = 2 $π$ r
= $2 \times \frac{22}{7} \times 7 c m$
= $44 c m$