the perimeter of a semi circle is 28.8 cm then its area is
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131.7 cm^2 is it's area...
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perimeter = 28.8
substitute R = P/[pi+2]
=28.8/3.14+2
=5.6cm
Therefore area = pi R^2/2
=3.14(5.6)^2/2
=49.2352sq cm
substitute R = P/[pi+2]
=28.8/3.14+2
=5.6cm
Therefore area = pi R^2/2
=3.14(5.6)^2/2
=49.2352sq cm
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