8th Grade Geometry Vocab

Two lines that intersect at a 90 degree angle.

• Perpendicular
• Linear Pair
• Line Segment
• Plane

Which of the following is the correct description of the picture?

• ray with endpoint A
• ray with endpoint B
• segment with endpoints A and B
• line containing points A and B

• Perpendicular Lines
• Right Angle Lines
• Parallel Lines
• Acute Lines

A segment that connects the center of a circle with a point on the circle.

• tangent
• secant
• diameter
• radius

A segment that connects two points on a circle; may or may not pass through the center of the circle.

• tangent
• secant
• chord
• diameter

A line with a single endpoint (or point of origin) that extends infinitely in one direction.

• line
• point
• ray
• straight angle

An angle with its Vertex at the center of the circle is called? 

• Central Angle
• Angle Bisector 
• Circle Angle
• Diameter

An angle that has a measure greater than 0 and less than 90

• Acute Angle
• Right Angle
• Obtuse Angle
• Straight Angle

An angle that has a measure of 180

• Straight Angle
• Right Angle
• Acute Angle
• Obtuse Angle

A ray that cuts an angle into two equal parts 

• Angle Ray
• Perpendicular Bisector 
• Angle Bisector
• Equal Angle Line