Ask Question
13 November, 23:56

The diameter of a circle is 18 kilometers. What is the length of a 120° arc?

+4
Answers (1)
  1. 14 November, 02:35
    0
    Answer: 18.85 kilometers

    Step-by-step explanation:

    Arc length = 2πr∅°/360

    = πr∅°/180°

    Note, the diameter of the circle was given and not the radius.

    Recall,

    2r = d

    r = d/2

    = 18/2

    = 9.

    Now to find the length of the arc, use the formula above

    Arc length = π x r x ∅°/180°

    = 3.142 x 9 x 120°/180°

    = 3,393.36/180°

    = 18.85 kilometers.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “The diameter of a circle is 18 kilometers. What is the length of a 120° arc? ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers