Question

If the circumference of a circle is $$176cm$$, find its radius.

Solution

Circumference of a circle$$=2\pi r$$$$\Rightarrow 176=2\times\dfrac{22}{7}r$$$$\Rightarrow r=\dfrac{176\times 7}{2\times 22}=28$$cm$$\therefore$$ Radius of the circle$$=28$$cmMathematics

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