Geometry Review

Front

What is a right angle?

Back

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

Front

What are parallel lines?

Back

Parallel lines are lines in a plane that never meet and are always the same distance apart.

Front

What does it mean for lines to intersect?

Back

Lines intersect when they cross each other at a point.

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Front

What is the area of a rectangle with a length of 12 feet and a width of 16 feet?

Back

192 square feet.

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 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 a straight angle?

Back

A straight angle is an angle that measures exactly 180 degrees.

Front

What is the sum of angles in a triangle?

Back

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

Front

If one angle in a triangle measures 90 degrees, what type of triangle is it?

Back

It is a right triangle.