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Chapter 3 Quiz Topics

Today, we reviewed what would be on the quiz...

Definitions to know:

• Congruent Triangles (and CPCTC)
• Congruent Polygons
• Circle
• Center of a circle
• Radius of a circle
• Median of a triangle
• Altitude of a triangle

Postulates to know:

• Any segment or anlge is congruent to itselft (Reflexive Property)
• If the 3 sides of one triangle are congruent to the 3 sides of another triangle, then the triangles are congruent (SSS).
• If two sides and their included angle of one triangle are congruent to the corresponding sides and angle in another triangle, then the triangles are congruent (SAS).
• If two angles and their included side of one triangle are congruent to the corresponding angles and side in another triangle, then the triangles are congruent (ASA).
• Two points determine a line, ray or segment (Auxiliary Lines).

Theorems to know:

19. All radii of a circle are congruent

Constructions to know:

• Median of a triangle
• Altitude of a triangle (both obtuse and acute)