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pie times diameter is the circumference of a circle.

a sphere is a 3-dimensional object and you dont take the circumference but rather you take the surface area.

the circumference is to measure the total outside distance around the circle. the surface area is the measure the total outside distance around the sphere.

remember a sphere is like a ball that is rounded.

a circle is just a circle and can only be 2-dimensional.. like on paper

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14y ago

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