A slice of pizza is a sector of a circle of radius 14 cm with a central angle of 45°. Taking π = 22/7, what is the perimeter of the slice?
Correct answer D. 39 cm
Explanation
Arc = (45/360) x 2 x 22/7 x 14 = 11 cm. Perimeter of a sector = arc + 2r = 11 + 28 = 39 cm.
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