Congruent Triangles

Front

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

Back

180°

Front

What is the congruence statement for triangles CRP and PCR?

Back

PRC

Front

If ∠A ≅ ∠M, what can we say about the angles?

Back

They are congruent.

Front

If ∆LMK ≅ ∆LMT, then what can we conclude about ∠K?

Back

∠K ≅ ∠T

Front

What does it mean for two triangles to be congruent?

Back

They have the same size and shape.

Front

List the criteria for triangle congruence: SSS, SAS, ASA, AAS, and HL.

Back

SSS: Side-Side-Side, SAS: Side-Angle-Side, ASA: Angle-Side-Angle, AAS: Angle-Angle-Side, HL: Hypotenuse-Leg.

Front

What is the definition of corresponding angles in congruent triangles?

Back

Angles that are in the same position in different triangles.

Front

If two angles of one triangle are equal to two angles of another triangle, what can be concluded?

Back

The triangles are congruent (AA criterion).

Front

What is the relationship between the sides of congruent triangles?

Back

The corresponding sides are equal in length.

Front

If two triangles share a side and two angles, what can be said about their congruence?

Back

They are congruent (SAS criterion).