Ask Question
21 September, 16:09

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)

+5
Answers (1)
  1. 21 September, 16:16
    0
    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.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “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) ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers