belindadavila85 belindadavila85
  • 04-03-2021
  • Mathematics
contestada

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

4 If the area of a semicircle is 10048 square inches what is the radius of the circle A 16 inches B 8 inches C 4 inches D 2 inches class=

Respuesta :

lamalex1868 lamalex1868
  • 04-03-2021
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.
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