vocab quiz sec. 1.2, 1.3

Question 1

point

Answer 1

a location in space, an idea

Question 2

line

Answer 2

an infinite set of points all in one direction

Question 3

plane

Answer 3

2 dimensional surface with infinite lengths, widths, and points

Question 4

space

Answer 4

3 dimensional area with length, width, and height

Question 5

collinear

Answer 5

points in a line (3 or more points)

Question 6

coplanar

Answer 6

points in the same plane (4 or more points)

Question 7

union

Answer 7

The set made by combining the elements of two sets

Question 8

intersection

Answer 8

where things cross/meet

Question 9

bisector of a segment

Answer 9

a line, ray, segment, or plane that goes through the MIDPOINT of a segment

Question 10

endpoint

Answer 10

the last point

Question 11

line segment

Answer 11

part of a line with 2 end points

Question 12

ray

Answer 12

part of a line with 1 end point

Question 13

length of a segment

Answer 13

a segment that can be measured

Question 14

postulate

Answer 14

something that is accepted as true without proof (also known as axiom)

Question 15

congruent

Answer 15

same size, same shape

Question 16

midpoint of a segment

Answer 16

if segment has a midpoint, then it is divided into 2 equal parts