Ask Question
2 February, 16:46

How many sides does a polygon have if the sum of its interior angles is 1,260º?

A. 7

B. 8

C. 9

D. 10

+3
Answers (1)
  1. 2 February, 19:51
    0
    The sum of interior angle is = 180 (n-2) where n denotes the number of sides

    so 1260° = 180 (n-2), n - 2 = 1,280/180=7, so n=7+2=9

    the answer is C. 9
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “How many sides does a polygon have if the sum of its interior angles is 1,260º? A. 7 B. 8 C. 9 D. 10 ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers