ps2 ps2
  • 02-04-2019
  • Mathematics
contestada

The diameter of a circle is 18 cm what is its area in terms of pi

Respuesta :

MrSmoot MrSmoot
  • 02-04-2019

Answer:

A = 81π cm²

Step-by-step explanation:

The formula for area of a circle is A = πr², where r is the radius.  The radius is half the diameter, so our radius for this problem is

18/2 = 9.    So the area is..

A = π(9²) = π(81)

  A = 81π cm²

Answer Link
kimberlyovadia86 kimberlyovadia86
  • 08-11-2021

Answer:81pi

Step-by-step explanation:

Answer Link

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