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A circle has a radius of 8 inches. Find the area of a sector of the circle if the sector has an arc that measures 45°.
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A circle has a radius of 8 inches. Find the area of a sector of the circle if the sector has an arc that measures 45°.
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May 25, 2018
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A circle has a radius of 8 inches. Find the area of a sector of the circle if the sector has an arc that measures 45°.
Mathematics
high-school
Martin Eden
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Martin Eden
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Area of ENTIRE circle = PI * radius^2 =
3.14159 * 64
=
201.062 square inches
45 degrees is one eighth of a circle, so a 45 degree sector is
201.062 / 8 square inches =
25.133
square inches
Asif Asghar
answered
May 31, 2018
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Asif Asghar
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