2/25/21 Angle Relationships

Front

What are Adjacent Angles?

Back

Angles that share a common side and a common vertex, and do not overlap.

Front

What are Linear Pair Angles?

Back

A pair of adjacent angles whose non-common sides form a straight line, summing to 180 degrees.

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

What are Vertical Angles?

Back

Angles that are opposite each other when two lines intersect; they are always congruent (equal in measure).

Front

If two angles are complementary and one angle measures 30 degrees, what is the measure of the other angle?

Back

60 degrees.

Front

If two angles are supplementary and one angle measures 110 degrees, what is the measure of the other angle?

Back

70 degrees.

Front

What is the sum of the measures of angles in a triangle?

Back

180 degrees.

Front

What is the measure of each angle in an equilateral triangle?

Back

60 degrees.

Front

If two angles are vertical angles and one measures 45 degrees, what is the measure of the other angle?

Back

45 degrees.