The volume of a cone is 62.8 cubic inches. The height of the cone is 15 inches. What is the radius of the cone, rounded to the n
earest inch? Use pi = 3.14
2 inches
4 inches
8 inches
9 inches
2 answers:
Recall the formula for volume of a cone: V = (1/3)(base)(height).
Here the volume is V = 62.8 cu in. = (1/3)(pi* r^2)(15 in)
62.8 cu in
or, r^2 = -------------------------- = 4 in^2
(1/3)(3.14)(15 in)
Then the radius of the base is sqrt(4 in^2) = 2 in.
Answer: 2inches
Step-by-step explanation:
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