Ch.3: Triangle Congruence Vocab

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9 Terms

1

included side (of a triangle)

The side of a triangle that is between two given angles.

2

included angle (of a triangle)

The angle of a triangle that is between two given sides.

3

SAS

If two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the triangles are congruent.

<p>If two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the triangles are congruent.</p>

4

SSS

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

5

ASA

If two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the triangles are congruent.

<p>If two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the triangles are congruent.</p>

6

AAS

If two angles and a nonincluded side of one triangle are congruent to two angles and the corresponding nonincluded side of another triangle, then the triangles are congruent.

<p>If two angles and a nonincluded side of one triangle are congruent to two angles and the corresponding nonincluded side of another triangle, then the triangles are congruent.</p>

7

CPCTC

corresponding parts of congruent triangles are congruent

8

Congruent

Having the same size, shape, and measure

9

Reflexive Property

A quantity is congruent (equal) to itself. a = a