Question

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Answer 1

Area of parallelogram is equal to the product of base and height, the area is the product of
`\pi r` and r, or
`\pi r^(2)`.

Explanation:

We are finding the area of a circle by an alternative method.

What we do is split the circle into multiple sectors and then arrange them in the form of a parallelogram and find the area of this parallelogram.

Area of parallelogram = base
`* height`

Hence area is the product of base and height.

Base =
`\pi r`

Height = r

Area is the product of
`\pi r` and r =
`\pi r^(2)`