Triangle and Angle Relationships Review

What is the relationship between Angle 2 and Angle 6?

What is the relationship between Angle 1 and Angle 2?

Angle 6 and Angle 7 are examples of which type of angle pair?

What angle relationship is shown?

What is the value of x?

A student is trying to construct triangles using four different sets of angles. The angles in each set are given below. Which set will form a triangle?

• 45°, 65°, 70°

• 150°, 110°, 100°

• 50°, 50°, 50°

• 90°, 90°, 90°

Solve for x.

Find the measure of the missing angle (?).