Question

the radius of a circle is 7cm,then its area is

Answer 1

HEYA :-)!!
Area= pie r square
22/7x 7x7=154 cm.
Hope this helps you

Answer 2

Hey,

Radius of Circle = 7cm

$area \: of \: circle \: = \pi {r}^{2} \\ = 3.14 \times {7}^{2} \\ = 3.14 \times 49 \\ = 153.86 {cm}^{2} \\ or \ taking \: \pi = \frac{22}{7} \\ area = 154 {cm}^{2}$
hope it helps u ^-^