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Pearson Geometry Common Core, 2011

PG

Pearson Geometry Common Core, 2011 View details

1. The Polygon Angle-Sum Theorems

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Exercise 25 Page 356

We are given that the sum of the interior angle measures of a polygon with $n$ sides is $2880$ and we want to find $n .$ To do it, recall the Polygon Angle-Sum Theorem.

Polygon Angle-Sum Theorem
The sum of the measures of the interior angles of an $n -$ gon is $(n - 2) 180 .$

Subchapter links

Lesson Check p.356

Practice and Problem-Solving Exercises p.356-358

Standardized Test Prep p.358

Mixed Review p.358