Find the number of sides of the polygon

      

A polygon has (n - 1) sides. Two of its angles are right angles and each of the remaining angles is 144o. Find the number of sides of the polygon.

  

Answers


Raphael
[2(n - 1) - 4]90 = 90 + 90 + [n - 1) - 2]144

180n - 540 = 180 + 144n - 432

n = 8

Number of sides of the polygon is 8.
raphael answered the question on January 16, 2017 at 07:34


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