Ask Question
18 November, 10:59

The sum of interior angles of a regular polygon is 1980 degrees. How many sides does the polygon have?

+1
Answers (1)
  1. 18 November, 11:11
    0
    The formula for interior angle sum is 180 (n - 2).

    Backtrack it from that.

    180 (n - 2) = 1980.

    1980 / 180 = 11 = n - 2.

    11 + 2 = 13 = n.

    The polygon has 13 sides.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “The sum of interior angles of a regular polygon is 1980 degrees. How many sides does the polygon have? ...” 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