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4. If the area of a semi-circle is 100.48 square inches, what is the radius of the circle ? * A) 16 inches B) 8 inches C) 4 inches D) 2 inches
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Jan 23, 2022
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4. If the area of a semi-circle is 100.48 square inches, what is the radius
of the circle ? *
A) 16 inches
B) 8 inches
C) 4 inches
D) 2 inches
Mathematics
high-school
Leyvi
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If we take the area which is 100.48, and multiply it by 2 because it’s obviously a semi-circle and we’re looking for the radius, we will get 200.96. Then we divide it by 3.14 to get 64. Then square root 64 to get 8. So it’s B.
Lionels
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Jan 29, 2022
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