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Maxie · Answer 1 · 2017-05-31T20:56:03+0000

18) Angle WZY = 75/2 = 37.5(Angle subtended by an arc on any point on a circe is half the angle subtended at centre)
19) r = 4 ft
Area of the whole circle = (pi)r^2= 22/7 *4*4 = 50.28
Area of the sector = 75/360*50.28= 97.77 ft^2

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