Geometry Vocabulary

A figure created by two distinct rays that share a common endpoint (also known as a vertex)

• Line

• Intersection

• Circle

• Angle

Tags

CCSS.HSG.CO.A.1

The amount of rotation (in degrees) of a figure about a fixed point such as the origin.

• Angle

• Angle of rotation

• Isometry

• Pre-image

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.CO.A.4

CCSS.HSG.CO.A.5

A point, line, or line segment that divides a segment or angle into two equal parts.

• Parallel Lines

• Image

• Bisector

• Corresponding Angles

The set of all points equidistant from a point in a plane

• Circle

• Image

• Point

• Endpoint

Tags

CCSS.HSG.C.A.3

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.A.1

Having the same size, shape and measure. ∠ A ≈ ∠ B indicates that angle A is congruent to angle B

• Line Segment

• Corresponding Angles

• Congruent

• Perpendicular lines

Tags

CCSS.HSG.CO.B.7

CCSS.HSG.CO.C.9

Angles that have the same relative position in geometric figures

• Corresponding Angles

• Pre-image

• Corresponding Sides

• Circle

Tags

CCSS.HSG.CO.C.9

Sides that have the same relative position in geometric figures

• Corresponding Sides

• Corresponding Angles

• Angle

• Bisector

Tags

CCSS.HSG.CO.B.6

CCSS.HSG.CO.B.7

CCSS.HSG.CO.B.8

CCSS.HSG.SRT.A.2

The point at each end of a line segment or at the beginning of a ray

• Intersection

• Line Segment

• Line

• Endpoint

Tags

CCSS.HSG.CO.A.1

The result of a transformation

• Image

• Pre-image

• Point

• Congruent

Tags

CCSS.HSG.CO.A.2

CCSS.HSG.CO.A.5

CCSS.HSG.CO.B.6

The point at which two or more lines intersect or cross

• Intersection

• Perpendicular Lines

• Bisector

• Angle