Geometry Semester 1 Final REVIEW

Front

What are complementary angles?

Back

Angles that add up to 90°.

Front

What value of x would make line m || line n?

Back

120.

Front

Which are pairs of vertical angles?

Back

∠COB & ∠AOD.

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

What is the supplement angle to 42°?

Back

138°.

Front

Define vertical angles.

Back

Angles that are opposite each other when two lines intersect.

Front

What is the sum of the interior angles of a triangle?

Back

180°.

Front

What is the definition of a straight angle?

Back

An angle that measures 180°.

Front

What is the definition of an acute angle?

Back

An angle that measures less than 90°.

Front

What is the definition of an obtuse angle?

Back

An angle that measures more than 90° but less than 180°.