giggly1616
giggly1616
04-05-2018
Mathematics
contestada
what is the area of the circle if DF=20 in.
Respuesta :
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
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