Analyze the diagram below and complete the instructions that follow.
find the measure of
a.
100°
b.
120°
c.
140°
d.
160°

The correct answer is A.

I Hope I helped you! :)

- Shelly O

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .