Respuesta :
Answer:
9pi; 28.26
Step-by-step explanation:
Area = pi(r^2), but we are using 3.14 instead of pi, so the area = 3.14 (r^2)
Plug in r:
Area = 3.14(9)
Area (approx)= 28.26
The actual area is 9pi
Answer:
9pi; 28.26
Step-by-step explanation:
Area = pi(r^2), but we are using 3.14 instead of pi, so the area = 3.14 (r^2)
Plug in r:
Area = 3.14(9)
Area (approx)= 28.26
The actual area is 9pi