Geometry Vocab

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

• tangent

• secant

• chord

• diameter

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

• Central Angle

• Angle Bisector 

• Circle Angle

• Diameter

A ray that cuts an angle into two equal parts 

• Angle Ray

• Perpendicular Bisector 

• Angle Bisector

• Equal Angle Line

a line segment that runs from the vertex of a triangle to the opposite side and intersects the opposite side at a 90 degree angle

• altitude

• median

• centroid

• angle

Angles that share a common side and common vertex.

• Adjacent Angles

• Complementary Angles

• Supplementary Angles

• Vertical Angles

• Adjacent Angles

• Complementary Angles

• Supplementary Angles

• Vertical Angles

• Adjacent Angles

• Complementary Angles

• Supplementary Angles

• Vertical Angles

Non-adjacent angles formed by two intersecting lines that lie across from each other.

• Adjacent Angles

• Complementary Angles

• Supplementary Angles

• Vertical Angles