4th Grade Geometry Review

Front

What are parallel lines?

Back

Lines that never meet and are always the same distance apart.

Front

What are perpendicular lines?

Back

Lines that intersect at a right angle (90 degrees).

Front

What is a point?

Back

A specific location in space, usually represented by a dot.

Front

What is an angle?

Back

The space between two intersecting lines measured in degrees.

Front

What is the sum of the angles in a triangle?

Back

180 degrees.

Front

How do you measure an angle?

Back

Using a protractor, which measures angles in degrees.

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

What is a ray?

Back

A part of a line that starts at one point and extends infinitely in one direction.

Front

What is a polygon?

Back

A closed figure with three or more straight sides.

Front

What is a quadrilateral?

Back

A polygon with four sides.