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Question

If the diameter of a circle is 7cm, then its radius is:

A
14cm
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B
3.5cm
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C
10.5cm
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D
none
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Solution

The correct option is B 3.5cm
Given, the diameter of a circle =7cm.

We know, the radius of the circle=Diameter2.

Then, the radius of the circle=7cm2=3.5cm.

Hence, B is correct.

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