Geometry Final Practice

Front

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

Back

The sum of the interior angles of a triangle is always 180 degrees.

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Front

What is an obtuse angle?

Back

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

Front

What is the definition of complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Front

What is the definition of supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Front

If angle 1 = 27 degrees, what is the measure of angle 4 if they are vertical angles?

Back

Angle 4 = 27 degrees (vertical angles are equal).

Front

How do you find the measure of an unknown angle in a triangle?

Back

To find the measure of an unknown angle in a triangle, subtract the sum of the known angles from 180 degrees.

Front

What is the relationship between angles a, b, and d if angle d = angle a + angle b?

Back

Angles a and b are complementary to angle d.

Front

What is the definition of a triangle?

Back

A triangle is a polygon with three edges and three vertices.