Unit 6 Geometry Review

Front

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

Back

180 degrees.

Front

What type of triangle has one angle greater than 90°?

Back

Obtuse triangle.

Front

What do you call angles that are opposite each other when two lines intersect?

Back

Vertical angles.

Front

What is the definition of supplementary angles?

Back

Two angles whose measures sum up to 180 degrees.

Front

What is the definition of complementary angles?

Back

Two angles whose measures sum up to 90 degrees.

Front

What type of triangle has all sides of different lengths?

Back

Scalene triangle.

Front

What is the definition of an acute angle?

Back

An angle that measures less than 90 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 obtuse angle?

Back

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

Front

If two angles are adjacent, what does that mean?

Back

They share a common side and a common vertex.