1.5 of 22 = 33
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11/22 is the same as 1/2 (half)......
two and one half times one fifth = 1/22 1/2 = 5/22 1/2 * 1/5 = 5/2 * 1/5 = 1/2
Half of ten and 22 is 5 + 22 = 27.
A semicircle is half a circle, so its area is half that of a circle: radius = 1/2 diameter = 22 ÷ 2 = 11 area = 1/2πr2 = 1/2π112 ~= 190 sq in
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