Respuesta :

wegnerkolmp2741o

Answer:

 =12.56 ft^2

Step-by-step explanation:

First we need to find the radius

r = d/2 = 4/2 =2

Then we can find the area

A = pi r^2

   = pi ^ 2^2

   = 4pi

   = 4*3.14

   =12.56 ft^2

amna04352

Answer:

12.56 ft²

Step-by-step explanation:

Radius = 4/2 = 2 ft

Area = 3.14 × 2²

= 12.56 ft²