Geometry Vocab

What is a protractor?

• an angle
• something to plow a field with
• a tool used to measure angles
• a line of indefinite length extending from an end point in one direction

What are lines that cross or meet to form a right angle?

• line segments
• parallel lines
• perpendicular lines
• ray

What are lines that never cross or meet and are the same distance apart?

• intersecting lines
• parallel lines
• perpendicular lines

What kind of lines are shown?

• parallel lines
• perpendicular lines
• straight lines
• open lines

What does this image show?

• intersecting lines
• perpendicular lines
• right angle
• parallel lines

What has two rays with a common endpoint?

• Angle
• Angle Vertex
• Center Mark
• Degree

What is the measurement of an angle called?

• Angle Vertex
• Center Mark
• Degree
• Zero Edge

What has an exact 90 degree angle?

• Right Angle
• Center Mark
• Ray
• Parallel lines

What has one endpoint and continues without end through another point?

• Ray
• Parallel Lines
• Perpendicular Lines
• Right Angles

What is the point called that combines two rays?

• Zero Edge
• Center Mark
• Perpendicular Lines
• Angel Vertex