sherly1738 sherly1738

10-01-2018
Mathematics

contestada

Find the area of a circle with diameter 31.6 cm both in terms of pi and to the nearest tenth use 3.14 for pi

Respuesta :

jennyli013 jennyli013

10-01-2018

d=31.6 cm
r=31.6/2=15.8 cm
Area of circle= pi*r^2
A=pi*(15.8^2)
In terms of pi: A=249.6*pi cm^2
Using 3.14 as pi: A=783.9 cm^2

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