19. A right cone has a radius of 5 cm, an altitude of 12 cm, and a slant height of 13 cm. Find its volume. A. 314.2 cm3

Question

19. A right cone has a radius of 5 cm, an altitude of 12 cm, and a slant height of 13 cm. Find its volume.

A. 314.2 cm3
B. 942.5 cm3
C. 300 cm3
D. 64.1 cm3

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Clara 1 week 2021-09-11T00:51:46+00:00 1 Answer 0

Answers ( )

    0
    2021-09-11T00:53:21+00:00

    Answer:

    314.2cm^3

    Step-by-step explanation:

    We use the formula below to find the volume:

    \pi r^2\frac{h}{3}

    Note:

    • r represents the radius
    • h represents the height of the cone

    Simplify:

    \pi 5^2\frac{12}{3}

    Solve the exponent first, then multiply the fraction:

    \pi 5^2\frac{12}{3} \\\\ 5^2 = 25\\\\ 12/3 = 4\\\\ 25 * 4 = 100\\\\ 100\pi = 314.159

    Round:

    314.15 -> 314.2

    Our answer would be 314.2cm^3

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