Answers

2014-12-22T16:51:22+05:30
Area of circle = πR² , Where 'R' is radius of circle.
Area of semi-circle = Area of circle ÷ 2 = πR²/2
Area of quadrant = area of circle ÷ 4 = πR²/4
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2014-12-22T22:05:08+05:30
Area of semi circle=πr^2/2
Area of quadrant=
πr^2/4
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