4th Grade Geometry

Front

What is a point?

Back

A point is a specific location in space that has no size or dimension.

Front

What is a right angle?

Back

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

Front

What is a ray?

Back

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

Front

What is a line segment?

Back

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

Front

What is an angle?

Back

An angle is formed by two rays that meet at a common endpoint.

Front

How do you measure an angle?

Back

You can measure an angle using a protractor.

Front

What is a circle?

Back

A circle is a shape with all points the same distance from its center.

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 the sum of angles in a triangle?

Back

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

Front

What is a straight angle?

Back

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