Missing angles

Front

What is the measure of angle X if the other angle is 118 degrees?

Back

28 degrees

Front

What is the measure of angle X if the other angle is 62 degrees?

Back

62 degrees

Front

What is the measure of angle X if the other angle is 180 degrees?

Back

186 degrees

Front

What is the measure of angle QRT if the other angle is 45 degrees?

Back

135 degrees

Front

What are alternate interior angles?

Back

Angles that are on opposite sides of a transversal and inside the two lines.

Front

What is the sum of angles in a triangle?

Back

180 degrees.

Front

What is a transversal?

Back

A line that intersects two or more lines at different points.

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Front

What are supplementary angles?

Back

Two angles that add up to 180 degrees.

Front

How do you find the measure of an unknown angle when given one angle?

Back

Use the properties of angles (e.g., complementary, supplementary) to calculate.