Problem Set pg. 44 12/18 4A

Front

What is a protractor used for?

Back

A protractor is a tool used to measure angles in degrees.

Front

What is the measure of a right angle?

Back

A right angle measures 90 degrees.

Front

What is the measure of an acute angle?

Back

An acute angle measures less than 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 a straight angle?

Back

A straight angle measures exactly 180 degrees.

Front

How do you measure an angle with a protractor?

Back

Align the protractor's center point with the angle's vertex and read the scale where the other line intersects.

Front

What is the measure of a 150-degree angle?

Back

A 150-degree angle is an obtuse angle.

Front

What is the measure of a 155-degree angle?

Back

A 155-degree angle is also an obtuse angle.

Front

If an angle measures 36 degrees, what type of angle is it?

Back

A 36-degree angle is an acute angle.

Front

What is the sum of angles in a triangle?

Back

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