Triangle Congruence Theorems

Front

What does HL stand for in triangle congruence theorems?

Back

HL stands for Hypotenuse-Leg, a theorem that proves congruence only for right triangles.

Front

Which triangle congruence theorem is NOT valid?

Back

AAA (Angle-Angle-Angle) is not a triangle congruence theorem.

Front

What is the definition of congruence in geometry?

Back

Congruence means that two figures have the same shape and size.

Front

What does AAS stand for in triangle congruence?

Back

AAS stands for Angle-Angle-Side, a theorem used to prove triangle congruence.

Front

What is the definition of midpoint?

Back

A midpoint is a point that divides a line segment into two equal parts.

Front

Which theorem can be used to prove triangles are congruent if two angles and the included side are known?

Back

ASA (Angle-Side-Angle) can be used to prove triangle congruence.

Front

What is the Vertical Angles Theorem?

Back

The Vertical Angles Theorem states that opposite angles formed by two intersecting lines are congruent.

Front

What does SAS stand for in triangle congruence?

Back

SAS stands for Side-Angle-Side, a theorem used to prove triangle congruence.

Front

What is the SSS theorem?

Back

SSS stands for Side-Side-Side, a theorem that states if three sides of one triangle are equal to three sides of another triangle, the triangles are congruent.

Front

What is the significance of the Alternate Interior Angles Theorem?

Back

The Alternate Interior Angles Theorem states that if two parallel lines are cut by a transversal, the alternate interior angles are congruent.