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Find the area A of the sector of a circle of radius 70 feet formed by the central angle 1/7 radian.

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A (area)=__ feet^2
asked Apr 5 in PRECALCULUS by anonymous

1 Answer

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The sector of a circle of radius image  and the central angle image.

Find sector area of the circle.

The formula of the sector area for any central angle is

image

Where,

image

Substitute image

image

answered Apr 6 by Anney Mentor
edited Apr 6 by Anney

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