A Point

.

An exact location in space. 

It is represented by a dot.

A line

<--->

AB

A length made of up points that extend infinitely in both directions.

A line segment

__

AB

A portion of a line having 2 endpoints.

A ray

 ---->

AB

A portion of a line having one endpoint and extending infinitely in one direction from the endpoint.

An Angle

∠ABC

An angle is formed by two rays that share a common endpoint called a VERTEX

Intersecting Lines

Two lines that cross at a point.

Perpendicular Lines

AB⟂CD

Intersecting lines that form 4 right angles (90^o).

Parallel Lines

AB∥CD

Lines that never intersect. They always stay the same distance apart.

Quadrilateral

Any 4 sided polygon

Trapezoid

⏢

Any Quadrilateral that has only one set of opposite sides parallel.

Parallelogram

▰

Any quadrilateral that has both sets of opposite sides parallel.

Rhombus

[image]

Any parallelogram that has all sides equal.

Rectangle

[image]

Any parallelogram that has 4 right angles.

Square

[image]

A rectangle that has all sides EQUAL.

Equilateral Polygon

[image]

All SIDES equal.

Equiangular Polygon

[image]

Regular Polygon

[image]

A polygon that has all SIDES & ANGLES equal