A cone has a volume of about 235.5 cubic centimeters. If the height is 9 centimeters what is the radius of the cone?
2 answers:
Volume of a cone = 1/3 π r² h
235.5 = 1/3 (3.14) r² (9)
(3.14) r² (9) = 706.5
r² = 25
r = 5
Answer: Radius = 5 cm
Okay well since V=1/3 pi r^2 h you would replace the equation with 235.5=1/3 pi r^2 9. 706.5=pi r^2 9. 78.5=pi r^2. radius= square root 78.5 / pi
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