Robel6lRutNealondi
Robel6lRutNealondi Robel6lRutNealondi
  • 11-05-2016
  • Mathematics
contestada

What is the exact area of a circle with a diameter of 18 feet?

A.36π square feet
B.81π square feet
C.324π square feet
D.1296π square feet

Respuesta :

tinydoll16
tinydoll16 tinydoll16
  • 17-05-2016
area = π*r^2
= 
π * 9^2
=81
π square feet. - B is your answer
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