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Asked by Ginate

What is the perimeter & area of the sector with 100 degrees angle and radius of 20cm?
7 years ago

Answers

Answered by scott
the perimeter is two radii plus a section of the circumference
... the circumference section is ... 2 * π * r * (100 / 360)

the area is 100/360 of the whole circle ... π * r^2 * (100 / 360)
7 years ago

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