Segment and Angle Addition

Front

What is a right angle?

Back

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

Front

What is the measure of an obtuse angle?

Back

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

Front

What is the measure of an acute angle?

Back

An acute angle measures less than 90 degrees.

Front

What are supplementary angles?

Back

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

Front

If angle JHG measures 161 degrees, what are the measures of angles GHK and KHJ if they are supplementary to JHG?

Back

m∠GHK=80.5 degrees, m∠KHJ=80.5 degrees.

Front

Find the value of angle A if it is supplementary to angle B which measures 131 degrees.

Back

∠A = 49 degrees.

Front

What is a ray?

Back

A ray is a part of a line that is straight, has 1 endpoint, and continues in 1 direction.

Front

What is the sum of the angles in a triangle?

Back

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

Front

If angle X measures 50 degrees, what is the measure of its complement?

Back

The complement of angle X is 40 degrees.

Front

What is the definition of a line segment?

Back

A line segment is a part of a line that has two endpoints.