Points, lines and planes
line segments
midpoints and bisectors
100

A _ is a location

point

100

35+x=90

x=55

100

The _ of a segment is the point halfway between the
endpoints of the segment.

midpoint

200

A _ is made up of points and has no thickness or width.

line

200

A _ is a measurable part of a line that
consists of two points, called endpoints, and all of the
points between them.

line segment

200

Find the midpoint (3,8) (9,2)

(6,5)

300

A_ is a flat surface made up of points that
extends infinitely in all directions.

plane

300

3x = 180

60

300

A point is _ from other
points if it is the same distance from them.

equidistant

400

What points lie on the same line?

Collinear

400

X− 34 = 146

180

400

Find the midpoint (5,6) (4,8)

(4.5,7)

500

What points lie in the same plane?

Coplanar

500

For any two real numbers a and b, there is a real
number n between a and b such that relationship applies to points on a line and is called

betweenness of points

500

find the midpoint (2,3) (5,7)

(3.5,5)