Topic 1: Foundations of Geometry II

Front

What is the SUPPLEMENTARY angle of an angle measuring 60 degrees?

Back

120 degrees

Front

What is the COMPLEMENTARY angle of an angle measuring 30 degrees?

Back

60 degrees

Front

What do you call adjacent angles that form a straight line?

Back

Linear pair

Front

If m∠ABC is 105 degrees, what is the measure of its SUPPLEMENTARY angle?

Back

75 degrees

Front

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

Back

90 degrees

Front

What is the definition of a linear pair?

Back

A pair of adjacent angles that are formed when two lines intersect and sum to 180 degrees.

Front

What is the measure of an angle that is complementary to a 45-degree angle?

Back

45 degrees

Front

If angle A measures 30 degrees, what is the measure of angle B if they are supplementary?

Back

150 degrees

Front

What is the relationship between vertical angles?

Back

Vertical angles are equal.

Front

If angle C measures 60 degrees, what is the measure of its supplementary angle?

Back

120 degrees