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If the circumference of a circle is 44 cm, what is its radius?

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If the circumference of a circle is 44 cm, what is its radius?
1. 22 cm
2. 7 cm
3. 14 cm
4. 5 cm
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Correct Answer - Option 2 : 7 cm

Given:

Circumference of the circle = 44 cm

Formula used:

Circumference of a circle = 2πr

r = radius 

Calculation:

According to the question:

44 = 2πr

⇒ 44 = 2 × (22/7) × r

⇒ r = 7

∴ Radius of the circle = 7 cm

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