4.2-Congruence & Triangles

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Presentation transcript:

4.2-Congruence & Triangles

Congruent figures Have the same size And shape.

Non Congruent figures Have different shape And size

Corresponding parts of congruent triangles are congruent.

The corresponding sides are also congruent….

Theorem 4.3-Third Angle Theorem If two angles of one triangle are congruent to two angles of another triangle, Then the third angles are also congruent.

Are these two triangles congruent?

Theorem 4.4 Properties of Triangle congruence Triangle congruence is Reflexive Symmetric Transitive

Review Problem What is the distance between the points C(3,-8) and D(-13,7)? What is the coordinate of the midpoint of segment CD?

Assignment 4.2