Congruence, Similarity, and Angle Relationship

Choose the similarity statement for the triangles.

• ΔMNL ∼ ΔOPQ
• ΔNOM ∼ ΔPQL
• ΔLMN ∼ ΔPQO
• ΔMLN ∼ ΔPQO

Find the measure of each angle indicated. 

• 50°
• 35°
• 100°
• 55°

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. 

• 45°
• 90°
• 180°
• 360°

Solve for x.

• -8
• -6
• 7
• -1

Find the measure of the indicated angle. 

• 95
• 85
• 35
• 45

Solve for x.

• A
• B
• C
• D

What is the scale factor from triangle ABC to triangle DEF?

• 2
• 3/2
• 2/3
• 1/2

All corresponding sides are congruent in any similar figure.

• True
• False

All corresponding angles are congruent in similar figures.

• True
• False

All corresponding sides are proportional (same ratio) in similar figures.

• True
• False