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Find the diameter of a circle whose circumference is 88 m.

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3.2 m

2.4 m

3.5 m

4.5 m

answer is C.

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Detailed Solution

Given a circle whose circumference is 88 m.
The circumference of a circle is,

C = 2 π r

⇒ 2 × π × r = 88 m ⇒ 227 × 2 × r = 88 ⇒ D = 88 × 7 22 ⇒ D = 28 m

Therefore, the diameter of the circle is 3.5 m.
Hence, option 3 is correct.

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