1.1 Vocab

Question 1

Undefined terms

Answer 1

concepts are so basic that it is impossible to write a definition that does not refer to the term being defined.

Question 2

Endpoint

Answer 2

is a point at end of a segment or the starting point if a ray.

Question 3

Ray

Answer 3

is a part of a line that starts at an endpoint and extends forever in one direction

Question 4

Line segment

Answer 4

is part of a line consisting of two endpoints and all points between them.

Question 5

point

Answer 5

names a location and has no dimension

Question 6

line

Answer 6

names a straight path of points in a plane and has no width or thickness continues forever in two dimensions

Question 7

distance

Answer 7

two points is a measure of the length of the shortest line segment that would connect them

Question 8

collinear

Answer 8

points lie on the same line

Question 9

coplanar

Answer 9

points and lines lie on the same plane

Question 10

postulate

Answer 10

a statement that is accepted as true without proof

Question 11

congruent

Answer 11

two segments that have the same length

Question 12

bisect

Answer 12

a figure is to divided it into two congruent parts

Question 13

midpoint

Answer 13

a segment is the point that bisects the segment into two congruent segments.

Question 14

plane

Answer 14

a flat surface and has no thickness and extends forever in two dimensions