If the radius of a circle is 7√π cm, then find the area of t

Question

If the radius of a circle is $\frac{7}{\sqrt{π}}$ cm, then find the area of the circle (in square cm).

Options:

A . 154

B .

\frac{49}{π}

C . 22

D . 49

Answer: Option D
:
D

Area of a circle of radius $r$
$= π r^{2}$

Area
$= π$ x $\frac{7}{\sqrt{π}}$ x $\frac{7}{\sqrt{π}} = 49 {c m}^{2}$

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