1st Semester Geometry Review

Front

What is the complement of 20 degrees?

Back

70 degrees

Front

What is a straight angle?

Back

180 degrees

Front

What is the missing step in the proof: m<3 + m<4 = ?

Back

180 degrees

Front

Solve for the variable: 90 - x = 43. What is x?

Back

47

Front

What term is used to describe a pair of angles that equal 180 degrees?

Back

Supplementary Angles

Front

What is the definition of complementary angles?

Back

Two angles that add up to 90 degrees.

Front

What is the definition of vertical angles?

Back

Angles opposite each other when two lines cross, they are equal.

Front

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

Back

180 degrees.

Front

What is the definition of a right angle?

Back

An angle that measures exactly 90 degrees.

Front

What is the definition of an acute angle?

Back

An angle that measures less than 90 degrees.