find the area of the semicircle ACB and the quadrant BOC in the given figure
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Area of semicircle = πr²/2 = 22x7x7/7x2 = 77cm²
Area of a quadrant = πr²/4 = 22x7x7/7x8 = 19.25cm²
Area of a quadrant = πr²/4 = 22x7x7/7x8 = 19.25cm²
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