1.1 point, lines, + planes

Question 1

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

Answer 1

undefined terms

Question 2

names a location

Answer 2

point

Question 3

names a straight path of points in a plane

Answer 3

line

Question 4

a flat surface

Answer 4

plane

Question 5

a point at the end of a segment or the starting point of a ray

Answer 5

endpoint

Question 6

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

Answer 6

ray

Question 7

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

Answer 7

line segment

Question 8

measure of the length of the shortest line segment that would connect them

Answer 8

distance

Question 9

points are ___ if they lie on the same line

Answer 9

collinear

Question 10

points and lines are ___ if they lie in the same plane

Answer 10

coplanar

Question 11

statement that is accepted as true without proof

Answer 11

postulate

Question 12

two segments that have the same length

Answer 12

congruent

Question 13

divide a ____ into two congruent parts

Answer 13

biscet

Question 14

the point that biscets the segment into two congruent segments

Answer 14

midpoint