math week 1

ss

point

an exact location in space

line

a straight path that goes infinitely in both directions

line segment

A straight line with a definite beginning and definite end

Ray

a straight line that has one fixed point (endpoint) and goes infinitely in exactly one direction

Endpoint

a specific point that marks where a line segment or ray stop

Collinear

3 or more points that are connected on straight line

Angle

2 ray that connected at one single endpoint

Parallel line

2 straight, coplanar lines that never intersect

plane

An infinite flat surface

Coplanar

2 or more points , lines , ect , that are on the same plane

Vertex

The name of the point where two rays or line segments meet

Vertes

the plural form if vertex

Right Angle

An angle measures exactly 90 Degrees

Straight angle

An angle that measures exactly 180 Degree

obtuse Angle

An angle that is Bigger than 90 Degree but small that 180 Degree

Acute Angle

Angle that is smaller than 90 Degree greater than 0

Perpendicular lines

two lines that intersect at a 90 Degree Angle