Jan.6 +2

Front

Definition of Angle Bisector

Back

A ray that divides an angle into two congruent angles.

Front

What does SSS stand for in triangle congruency?

Back

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

Front

What does SAS stand for in triangle congruency?

Back

Side-Angle-Side: If two sides and the included angle of one triangle are equal to two sides and the included angle of another triangle, the triangles are congruent.

Front

What does AAS stand for in triangle congruency?

Back

Angle-Angle-Side: If two angles and a non-included side of one triangle are equal to two angles and the corresponding non-included side of another triangle, the triangles are congruent.

Front

What does HL stand for in triangle congruency?

Back

Hypotenuse-Leg: In right triangles, if the hypotenuse and one leg of one triangle are equal to the hypotenuse and one leg of another triangle, the triangles are congruent.

Front

What is always the first reason in a proof?

Back

Given

Front

An angle bisector forms _

Back

two congruent angles.

Front

Definition of Congruent Triangles

Back

Triangles that are identical in shape and size, meaning all corresponding sides and angles are equal.

Front

What is the sum of the angles in a triangle?

Back

180°.

Front

Definition of Complementary Angles

Back

Two angles whose measures add up to 90°.