Proof Practice

Front

What is the transitive property in mathematics?

Back

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

Front

How can you determine if two triangles are congruent?

Back

Two triangles are congruent if their corresponding sides and angles are equal.

Front

What is the definition of an angle bisector?

Back

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

Front

What does the angle addition postulate state?

Back

If point B is in the interior of angle AOC, then the measure of angle AOB + the measure of angle BOC = the measure of angle AOC.

Front

What is the segment addition postulate?

Back

If point X is between points R and T on a line, then RX + XT = RT.

Front

What is the definition of congruent figures?

Back

Figures that have the same shape and size are called congruent.

Front

What is the difference between a theorem and a postulate?

Back

A theorem is a statement that can be proven, while a postulate is a statement accepted without proof.

Front

What is the significance of corresponding parts in congruent triangles?

Back

Corresponding parts of congruent triangles are equal in measure.

Front

What is the definition of a vertical angle?

Back

Vertical angles are the angles opposite each other when two lines intersect; they are always equal.

Front

What is the definition of complementary angles?

Back

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