CPM Homework Help : INT2 Problem 8-26

Examine the geometric relationships in the diagram below. Show all of the steps in your solutions for $x$ and $y$ . Name the polygon.

Step 1:

$x + x + x + x + x = 360^\circ$

Step 2:

$2y + x = 180^\circ$

A pentagon divided into 5 triangles. There are 5 equal angles about the center, labeled x. The two other angles of each triangle are labeled, y.