Angles and Lines vocabulary

Question 1

point

Answer 1

a location in space that has no area

Question 2

line

Answer 2

a collection of points that extends in two opposite directions without ends

Question 3

collinear

Answer 3

two points that are on the same line

Question 4

segment

Answer 4

a part of a line consisting of two endpoints and every point between them

Question 5

ray

Answer 5

a part of a line consisting of 1 endpoint and the points on one side of the endpoint

Question 6

opposite rays

Answer 6

2 collinear rays that share an endpoint and form a 180 degree angle

Question 7

plane

Answer 7

a flat surface that has no thickness and contains many points that extend without end in the direction of all of its lines

Question 8

coplanar

Answer 8

to points that are on the same plane

Question 9

congruent segments

Answer 9

2 segments that have the same length

Question 10

midpoint

Answer 10

a point that divides a segment into 2 equal parts

Question 11

segment bisector

Answer 11

a line/segment/ray that goes through the midpoint of a different segment

Question 12

perpendicular bisector

Answer 12

a segment that goes through the midpoint of another segment forming right angles

Question 13

angle bisector

Answer 13

a ray that cuts an angle exactly in two congruent halves