giggly1616 giggly1616
  • 04-05-2018
  • Mathematics
contestada

what is the area of the circle if DF=20 in.

what is the area of the circle if DF20 in class=

Respuesta :

calculista
calculista calculista
  • 13-05-2018
we know that

DF is the diameter of the circle
so
radius r=DF/2----->20/2-----> r=10 in

area of the circle=pi*r²------> pi*10²-----> 100*pi in²-----> 314 in²

the answer is

100*pi in² or 314 in²
Answer Link

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