Two Dimensional Geometry

The blue part of the circle makes up how many degrees of the circle?

Which of the following words describes the picture?

• segment

• ray

• line

• point

Which of the following words describes the picture?

• ray

• segment

• line

• plane

Two lines that intersect at a 90 degree angle.

• Perpendicular

• Linear Pair

• Line Segment

• Plane

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

• tangent

• secant

• diameter

• radius

A segment connecting two points on a circle that passes through the center.

• diameter

• radius

• secant

• tangent

A ray that cuts an angle into two equal parts 

• Angle Ray

• Perpendicular Bisector 

• Angle Bisector

• Equal Angle Line

Two lines that are equil distance apart and will never touch 

• perpendicular  Lines

• Parallel Lines

• Skew Lines

• Rail Road Tracks 

A location. It has no size i.e. no width, no length and no depth and is shown by a dot. 

• line

• point

• ray

• straight angle

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

• line

• point

• ray

• straight angle