Question

The measures of two angles of a triangle are given. Ask students to determine the measure of the third angle of each triangle. Then ask them to classify the triangle by its angle measures and side lengths.

1. 45°, 45°
2. 28°, 54°
3. 104°, 38°

Answer 1

1. 90 isosceles
2. 98 scalene
3. 38 isosceles