Respuesta :

chameleon
The formula for finding the area of a circle is pi (which is 3.14) times radius squared. 3 times 3 is 9. Then you multiply 9 by 3.14. Round to the nearest tenth decimal place.
apologiabiology
area=pir^2
r=3
area=pi3^2
are=pi9
area=9pi
if aprox pi=3.14159256
area=28.2743304 ft^2

9pi ft^2 or 28.141 ft^2