Angles in Geometry

Front

Define supplementary angles.

Back

Two angles whose measures add up to 180 degrees.

Front

If one angle measures 60 degrees, what is the measure of its complementary angle?

Back

30 degrees.

Front

If one angle measures 90 degrees, what is the measure of its vertical angle?

Back

90 degrees.

Front

What are complementary angles?

Back

Complementary angles are two angles that add up to 90 degrees.

Front

If one angle measures 150 degrees, what is the measure of its supplementary angle?

Back

30 degrees.

Front

What is the sum of the measures of angles on a straight line?

Back

180 degrees.

Front

What is the sum of the measures of angles around a point?

Back

360 degrees.

Front

Define vertical angles.

Back

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

Front

What is the measure of a right angle?

Back

90 degrees.

Front

If two angles are complementary, and one angle measures 40 degrees, what is the measure of the other angle?

Back

50 degrees.