Question 22

If the diameter of a circle is 28 cm, then what will be its circumference (in cm)?

Solution

Radius of circle = $$r=\frac{28}{2}=14$$ cm

=> Circumference = $$2\pi r$$

= $$2\times\frac{22}{7}\times14$$

= $$44\times2=88$$ cm

=> Ans - (A)

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