Angle and Segment Addition

Front

What is the Angle Addition Postulate?

Back

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

Front

What is the Segment Addition Postulate?

Back

If point B is between points A and C, then AB + BC = AC.

Front

How do you find the measure of an angle when given two adjacent angles?

Back

Add the measures of the two adjacent angles together.

Front

If two angles are complementary, what is the sum of their measures?

Back

The sum of their measures is 90 degrees.

Front

If two angles are supplementary, what is the sum of their measures?

Back

The sum of their measures is 180 degrees.

Front

What is the definition of a straight angle?

Back

A straight angle measures 180 degrees.

Front

What is the definition of a right angle?

Back

A right angle measures 90 degrees.

Front

If angle A measures 40 degrees, what is the measure of its complement?

Back

The complement of angle A is 50 degrees.

Front

If angle B measures 110 degrees, what is the measure of its supplement?

Back

The supplement of angle B is 70 degrees.

Front

How do you solve for x in an equation involving angle measures?

Back

Isolate x on one side of the equation using algebraic operations.