Inch Circular
to the nearest inch, find the perimeter of a 10-degree sector cut from a circular disk of radius 11 inches?
circumference is πd or about 11x2x3 = 66
10º is 10/360 of that or 660/360 = 66/36 = 22/12 = 11/6 inches, or about 2 inches
Perimeter is that plus 2x the radius, so total is 11+11+2 = 24 inches.
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