given:
radius= 4 feet
to find:
the area of the circle
solution:
[tex]a = \pi {r}^{2} [/tex]
[tex]a = \pi \times {4}^{2} [/tex]
[tex]a = 50.26548 \: {ft}^{2} [/tex]
[tex]a = 50.27 \: {ft}^{2} [/tex]
hence, the area of the circle is 50.27 square feets.
