A semi circle has a diameter of 15 cm. Find its area.
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radius= 15 /2cm
area = 1/2x 22/7x 15/2 x 15/2
= 88.39 cm^2(approx)
area = 1/2x 22/7x 15/2 x 15/2
= 88.39 cm^2(approx)
maria9:
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I think there is a calculation problem. Plz explain your calculation.
Answered by
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Diameter on semicircle = 15 cm
Radius = 15/2 = 7.5 cm
Area of semicircle = πr^2/2
= π× 7.5×7.5/2
= 1237.5/14
= 88.392 cm square
Radius = 15/2 = 7.5 cm
Area of semicircle = πr^2/2
= π× 7.5×7.5/2
= 1237.5/14
= 88.392 cm square
I think there is a calculation problem . Plz explain your calculation.
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