c=pi*8
diameter = 8
radius = 4
area = pi * 16
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The circumference of a circle whose area is 16 times the area of a circle whose diameter is 1.4m is: 17.6 cm
Area = (Circumference squared)/4 pi Circumference = 2 sqrt(Area times pi)
the circumference is pi times the diameter. the area is pi times radius-squared. And, of course, the Circumference is the distance around the circle, or the outside. While on the other hand, the area of a circle is the amount of space on the inside of a circle:) hope this helps !
Area = 12.6 cm2Circumference = 12.6 cm
You dived the area by the circumference of the circle.