Ask Question
11 April, 16:00

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

+5
Answers (1)
  1. 11 April, 16:06
    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?
Find 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 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