Segment and Angle Proofs

Front

What is the Angle Addition Postulate?

Back

If point X is in the interior of angle AMB, then m

Front

What is the Segment Addition Postulate?

Back

If point O is between points F and X, then FO + OX = FX.

Front

What does it mean for angles to be supplementary?

Back

Two angles are supplementary if the sum of their measures is 180 degrees.

Front

What is the definition of congruent segments?

Back

Segments that have the same length are called congruent segments.

Front

What is the Vertical Angle Theorem?

Back

Vertical angles are congruent; if two angles are opposite each other when two lines intersect, they are equal.

Front

What is a linear pair of angles?

Back

A linear pair consists of two adjacent angles whose non-common sides form a straight line.

Front

What is the Transitive Property in geometry?

Back

If a = b and b = c, then a = c.

Front

What is the first step in starting a proof?

Back

Always start with the given information.

Front

What is the definition of an angle bisector?

Back

An angle bisector is a ray that divides an angle into two equal parts.

Front

What is the definition of complementary angles?

Back

Two angles are complementary if the sum of their measures is 90 degrees.