Front

How many sides does a quadrilateral have?

Back

A quadrilateral has 4 sides.

Front

What is an angle whose measure is exactly 90 degrees?

Back

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

Front

Which angle is acute?

Back

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

Front

What kind of angle measures more than 90 degrees but less than 180 degrees?

Back

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

Front

Choose the shape that has 2 pairs of parallel lines.

Back

A rectangle and a parallelogram both have 2 pairs of parallel lines.

Front

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

Back

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

Front

What do you call a polygon with 5 sides?

Back

A polygon with 5 sides is called a pentagon.

Front

What is a line segment?

Back

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

Front

What is the difference between a line and a line segment?

Back

A line extends infinitely in both directions, while a line segment has two endpoints.

Front

What is a right triangle?

Back

A right triangle is a triangle that has one right angle (90 degrees).