Overlapping Triangles

Front

What is the reason for Step 3?

Back

Angle Addition

Front

The red (ΔKNM) and blue (ΔPLM) triangles are congruent. Identify a common side or angle.

Back

Angle M

Front

Name a side or angle that is overlapping.

Back

DC

Front

What is the reason for Step 8?

Back

SAS

Front

What is the statement for Step 5?

Back

ED + DC = EC

Front

What is the definition of overlapping triangles?

Back

Triangles that share a common side or angle.

Front

What does SAS stand for in triangle congruence?

Back

Side-Angle-Side: Two sides and the included angle are congruent.

Front

What is the definition of congruent triangles?

Back

Triangles that are identical in shape and size.

Front

What is the Angle Addition Postulate?

Back

If point B is in the interior of angle AOC, then m∠AOB + m∠BOC = m∠AOC.

Front

What is the Vertical Angles Theorem?

Back

Vertical angles are congruent.