Seudónimo Seudónimo
  • 10-02-2017
  • Mathematics
contestada

which expression can be used to find the area of a circle with a diameter of 40 cm?

a. 3.14 x 20

b 3.14 x 40

c 3.14 x 20 2

d 3.14 x 40 2

Respuesta :

zhduch
zhduch zhduch
  • 10-02-2017
The equation of the area of a circle is pi*2*radius.
So the answer is c. 3.14*20*2
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