shakylawilson15 shakylawilson15

08-04-2020
Mathematics

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The volume of a right circular cone is 1,780.38 in3. If the height of the cone is 21 in, what is the diameter of the cone? (Use = 3.14)

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eustismsband eustismsband

08-04-2020

Answer:

18 inches

Step-by-step explanation:

formula is V = π* r^2* h/3.

h = 21. 21/3 = 7.

7*3.14 = 21.98.

1,780.38/21.98 = 81.

√81 = 9.

r = 9

d = 2r

9*2 = 18 inches.

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