Respuesta :
Answer:
Area = 1384.7 square miles
Step-by-step explanation:
[tex]Area = \pi r^2 = 3.14 \times 21^2 = 3.14 \times 21 \times 21 = 1384.74 = 1384.7 \ mi^2[/tex]
Answer:
1, 385.4 mi
Step-by-step explanation:
A = pi(r^2)
A = 3.14 x 21^2
A = 1385.44 mi