4th Grade Geometry Vocabulary

What is the name of the angle that measures 90 degrees?

• Acute Angle

• Obtuse Angle

• Right Angle

• Straight Angle

What is a specific location in space that has no dimension?

• Point

• Line

• Plane

• Volume

What do you call roads that never meet?

• Intersecting roads

• Diverging roads

• Parallel roads

• Converging roads

What is a part of a line that has two endpoints?

• Line Segment

• Ray

• Line

• Point

What is the term for the angle formed when two lines meet at a right angle?

• Acute Angle

• Obtuse Angle

• Right Angle

• Straight Angle

What do you call two lines that cross each other?

• Parallel lines

• Intersecting lines

• Perpendicular lines

• Skew lines

What are two lines that cross at a 90 degree angle?

• Parallel lines

• Perpendicular lines

• Intersecting lines

• Skew lines

True or False: Perpendicular lines are two lines that cross at a 90 degree angle.

• True

• False

• They are lines that never meet

• They are lines that meet at any angle

What is the name of the angle that is less than 90 degrees?

• Acute Angle

• Obtuse Angle

• Right Angle

• Straight Angle

What do you call a straight path that extends infinitely in both directions?

• Line

• Ray

• Segment

• Curve