Triangles & polygons

What the problems look like

A few statements from this skill. Answers, hints and worked solutions live in the practice session.

1. Warm-up

   Two angles of a triangle measure $45^{\circ}$ and $72^{\circ}$. What is the measure, in degrees, of the third angle?

2. Warm-up

   Two angles of a triangle measure $64^{\circ}$ and $43^{\circ}$. What is the measure, in degrees, of the third angle?

3. Warm-up

   Two angles of a triangle measure $53^{\circ}$ and $73^{\circ}$. What is the measure, in degrees, of the third angle?

Problems shown under their original terms: Generated (template, solver-computed).