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Q: What is the area of a circle with radius 8cm?

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Area of any circle = pi*radius squared

the answer is 20.54

It depends on the ratio of what of the circle? Its circumference, diameter, area?

That would depend on its radius which has not been given but the area of a circle is pi times radius squared

The radius is 1.27cm

16 cm

Area of a circle = pi*radius2

radius=4cm diameter=8cm *radius is half the diameter

Circumference of a circle: 2*p*radius or pi*diameter

8cm. The radius is always half the diameter.

A = 5.093 cm2

The area of a circle with a radius of 14.4 is 651.4

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