Question

The radius of a circle is 13 in. Find its area to the nearest whole number

Answer 1

Area of circle =
`{ \purple{ \sf{π{r}^(2)}}}`

here
`{ \purple{ \sf{π = (22)/(7)}}}`

and radius is 13 in.

now put the value..

22/7×(13)²

22/7×169

22×24.14

531.08

approx to 531.1.