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PLEASE HELP ME!! A right circular cone has a radius of 6 inches and a volume of 180 cubic inches. What is the height of the cone? Please answer without using pi. Thank you

A. 5 in.
B. 15 in.
C. 25 in.
D. 90 in.

2 Answers

3 votes

Answer: A

Explanation:

User Samy Sammour
by
8.9k points
4 votes
Volume of the cone =
(1)/(3) \pi x^(2) h

Given that the volume is 180 cubic inches

(1)/(3) \pi r^(2) h =
180

Given that the radius is 6m

(1)/(3) \pi 6^(2) h =
180

Evaluate

(1)/(3) \pi (36) h =
180

12\pi h =
180

h =
180 ÷ (
12 \pi)

h = 4.77 ≈ 5 inches (Answer A)


User Windos
by
8.0k points

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