Relax

Respuesta :

Answer:

a. 1385.44 ft²

Step-by-step explanation:

Area of a circle

  • πr²

Given

  • r = 21 ft

Solving

  • 22/7 x 21 x 21
  • 22 x 3 x 21
  • 66 x 21
  • 1386 ft²
  • Option A is the closest answer