4th Grade Geometry-Point, Line, Parallel and Perpendicular

Front

What is a straight path that is endless in both directions?

Back

A line.

Front

What is a ray?

Back

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

Front

What is an obtuse angle?

Back

An obtuse angle is any angle between 90 and 180 degrees.

Front

What is the area of a square with side length 5 inches?

Back

25 square inches.

Front

What is a straight angle?

Back

A straight angle is 180 degrees.

Front

What do we call a point that has no length, width, or depth?

Back

A point.

Front

What is a line segment?

Back

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

Front

What are parallel lines?

Back

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

Front

What are perpendicular lines?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees).

Front

What is the term for an angle less than 90 degrees?

Back

An acute angle.