eleanav2006 eleanav2006

09-05-2020
Mathematics

contestada

VYLE
The formula for the area of a circle can be found by using
a parallelogram. Explain the way to derive the formula.

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nellymendoza00 nellymendoza00

09-05-2020

The circle can be cut into pieces, separated, and fit together to form a parallelogram that has the same area. The height of the parallelogram is the radius and the base is half the circumference, which is r. The area is r(r), which is equal to r2.

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