Eureka Math Grade 4 Module 4 Topic A Flashcard

Front

What are parallel lines?

Back

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

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

What is an acute angle?

Back

An angle that is smaller than 90 degrees.

Front

What is a ray?

Back

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

Front

What is a line?

Back

A straight path that extends infinitely in both directions.

Front

What are intersecting lines?

Back

Lines that cross each other at one point.

Front

What is a right angle?

Back

An angle that is exactly 90 degrees.

Front

What are perpendicular lines?

Back

Lines that intersect to form right angles.

Front

What is a point in geometry?

Back

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

Front

How do you identify a line segment in a diagram?

Back

Look for a straight path with two endpoints.