Triangle Congruence Proofs

Front

What does SAA stand for in triangle congruence?

Back

SAA stands for 'Side-Angle-Angle', a method to prove triangles congruent.

Tags

CCSS.HSG.SRT.B.5

Front

What does SSS stand for in triangle congruence?

Back

SSS stands for 'Side-Side-Side', a method to prove triangles congruent.

Tags

CCSS.HSG.SRT.B.5

Front

What does SAS stand for in triangle congruence?

Back

SAS stands for 'Side-Angle-Side', a method to prove triangles congruent.

Tags

CCSS.HSG.SRT.B.5

Front

What does SSA stand for in triangle congruence?

Back

SSA stands for 'Side-Side-Angle', which is NOT a valid method to prove triangles congruent.

Tags

CCSS.8.G.A.2

Front

What is the Hypotenuse-Leg (HL) theorem?

Back

The HL theorem states that if a triangle is a right triangle and the hypotenuse and one leg are congruent to another triangle's hypotenuse and leg, then the triangles are congruent.

Tags

CCSS.HSG.SRT.B.5

Front

What does CPCTC stand for?

Back

CPCTC stands for 'Corresponding Parts of Congruent Triangles are Congruent', used after proving triangles congruent.

Tags

CCSS.HSG.SRT.B.5

Front

What is the Reflexive Property?

Back

The Reflexive Property states that any geometric figure is congruent to itself.

Tags

CCSS.8.G.A.2

Front

What is the definition of congruent triangles?

Back

Congruent triangles are triangles that are identical in shape and size, meaning all corresponding sides and angles are equal.

Tags

CCSS.8.G.A.2

Front

How can you prove two triangles are congruent using the SAS method?

Back

To prove triangles congruent using SAS, show that two sides and the included angle of one triangle are congruent to the corresponding parts of another triangle.

Tags

CCSS.HSG.SRT.B.5

Front

What is the significance of vertical angles in triangle proofs?

Back

Vertical angles are always congruent, which can be used to establish congruence in triangle proofs.

Tags

CCSS.8.G.A.5