Protractor and Geometry Review

Front

What is a protractor used for?

Back

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

Front

How many degrees are in a right angle?

Back

A right angle measures 90 degrees.

Front

What is the sum of angles in a triangle?

Back

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

Front

What do you call lines that never intersect?

Back

Lines that never intersect are called parallel lines.

Front

What is the perimeter of a rectangle?

Back

The perimeter of a rectangle is calculated by adding the lengths of all four sides.

Front

If an angle measures 45 degrees, how many such angles make a right angle?

Back

Two angles of 45 degrees make a right angle.

Front

What is the term for angles that add up to 90 degrees?

Back

Angles that add up to 90 degrees are called complementary angles.

Front

What is the term for angles that add up to 180 degrees?

Back

Angles that add up to 180 degrees are called supplementary angles.

Front

What shape has four equal sides and four right angles?

Back

A square has four equal sides and four right angles.

Front

What is the measure of a straight angle?

Back

A straight angle measures 180 degrees.