Angle Pair Relationships

Front

What are complementary angles?

Back

Two angles whose measures add up to 90 degrees.

Front

What are supplementary angles?

Back

Two angles whose measures add up to 180 degrees.

Front

What is a linear pair of angles?

Back

A pair of adjacent angles formed when two lines intersect, which are supplementary.

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect; they are always equal.

Front

If two angles are complementary and one angle measures 35 degrees, what is the measure of the other angle?

Back

55 degrees.

Front

If two angles are supplementary and one angle measures 118 degrees, what is the measure of the other angle?

Back

62 degrees.

Front

What is the scale if 1 inch on a map represents 300 miles in reality?

Back

1 inch = 300 miles.

Front

If a model is 2 ft wide and the actual object is 200 yd wide, what is the scale?

Back

1 foot = 100 yards.

Front

If the distance between two cities on a map is 3 inches and the scale is 1 inch = 300 miles, what is the actual distance?

Back

900 miles.

Front

What is the relationship between angle pairs and their measures?

Back

Complementary angles add up to 90 degrees; supplementary angles add up to 180 degrees.