the perimeter of a semi circle is 28.8cm then its area is
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Perimeter of semi circle=pie r
28.8cm=3.14×r
r=28.8/3.14
r=9.17
Area of semi circle=pie r^2/2
=3.14×9.17×9.17/2
=132.01 sq. cm
28.8cm=3.14×r
r=28.8/3.14
r=9.17
Area of semi circle=pie r^2/2
=3.14×9.17×9.17/2
=132.01 sq. cm
Shubhangi4:
Perimeter of semicircle = π r + 2r
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Heya!
here is your answer:
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here is your answer:
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