1.1 points lines and planes

Question 1

Undefined terms

Answer 1

concepts that are so basic its impossible to write a definition that doesn’t give away what the word means

Question 2

point

Answer 2

names a location, and has no dimension

Question 3

line

Answer 3

a straight path of points in a plane. No with or thickness and continues forever in one dimension.

Question 4

plane

Answer 4

flat surface, no thickness and it extends forever in two dimensions.

Question 5

Endpoint

Answer 5

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

Question 6

Ray

Answer 6

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

Question 7

line segment

Answer 7

part of a line that consists of two endpoints and all points between them.

Question 8

Distance

Answer 8

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

Question 9

Collinear

Answer 9

points that lie on the same line.

Question 10

Coplanar

Answer 10

points and lines that lie on the same plane.

Question 11

Postulate

Answer 11

a statement that is accepted as true without proof.

Question 12

Congruent

Answer 12

Two segments that have the same length.

Question 13

Bisect

Answer 13

To divide into two congruent parts

Question 14

Midpoint

Answer 14

The point that bisects the segment into two congruent segments.