Congruence Review

Front

What does it mean for two triangles to be congruent?

Back

Two triangles are congruent if they have the same size and shape, meaning all corresponding sides and angles are equal.

Front

If ∠A is 48° in triangle ABC and triangle DEF is congruent to triangle ABC, what is the measure of ∠F?

Back

∠F is 48°.

Front

What is the corresponding angle to ∠BCA in triangle ABC if it is congruent to triangle EDF?

Back

∠BCA is congruent to ∠DFE.

Front

How can you determine if two figures are congruent?

Back

Two figures are congruent if they have the same size and shape.

Front

If triangle ABC is congruent to triangle NML, which angle corresponds with ∠C?

Back

∠C corresponds with ∠L.

Front

If triangle ABC is congruent to triangle NML, which side corresponds with side MN?

Back

Side MN corresponds with side BA.

Front

What is the definition of corresponding sides in congruent triangles?

Back

Corresponding sides are the sides in two triangles that are equal in length and are opposite to equal angles.

Front

What is the definition of corresponding angles in congruent triangles?

Back

Corresponding angles are the angles in two triangles that are equal in measure and are opposite to equal sides.

Front

What is the Angle-Angle (AA) criterion for triangle congruence?

Back

If two angles of one triangle are equal to two angles of another triangle, the triangles are congruent.

Front

What is the Side-Side-Side (SSS) criterion for triangle congruence?

Back

If three sides of one triangle are equal to three sides of another triangle, the triangles are congruent.