1.1-1.5 Vocab

Question 1

Net

Answer 1

a two-dimensional diagram that you can fold to from a three-dimensional figure

Question 2

Isometric Drawing

Answer 2

shows a corner view of a three-dimensional figure, allows you to see the top, front, and side of a figure

Question 3

Orthographic Drawing

Answer 3

shows three separate views

Question 4

Point

Answer 4

indicates a location and has no size

Question 5

Line

Answer 5

represented by a straight path that extends in two opposite directions without end and has no thickness

Question 6

Plane

Answer 6

represented by a flat surface that extends without end and has no thickness

Question 7

Collinear Points

Answer 7

points that lie on the same line

Question 8

Coplanar

Answer 8

points and lines that lie in the same plane, all points of a line are coplanar

Question 9

Space

Answer 9

set of all points in three-dimensions

Question 10

Segment

Answer 10

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

Question 11

Opposite Rays

Answer 11

two rays that share the same endpoint and form a line

Question 12

Postulate

Answer 12

accepted statement, basic building blocks of the logical system in geometry

Question 13

Axiom

Answer 13

accepted statement

Question 14

Intersection

Answer 14

set of points 2 or more geometric figures have i common

Question 15

Coordinate

Answer 15

real number that corresponds to a point

Question 16

Distance

Answer 16

absolute value of the difference of their coordinates

Question 17

Congruent Segments

Answer 17

two segments that have the same length

Question 18

Midpoint

Answer 18

point that divides the segment into two congruent segments

Question 19

Segment Bisector

Answer 19

a point, line, ray or segment that intersects a segment and its midpoint

Question 20

Angle

Answer 20

formed by two rays with the same endpoint

Question 21

Vertex

Answer 21

endpoint

Question 22

Interior of an angle

Answer 22

the inside, shortest distance between the two rays

Question 23

Exterior of an angle

Answer 23

the outside, longest distance between the two rays

Question 24

Measure of an Angle

Answer 24

the absolute value of the difference of the real numbers paired with a ray

Question 25

Acute Angle

Answer 25

Angle measures less than 90

Question 26

Right Angle

Answer 26

Angle measures 90

Question 27

Obtuse Angle

Answer 27

Angle measures more then 90

Question 28

Straight Angle

Answer 28

Angle measures 180

Question 29

Congruent Angles

Answer 29

angles with the same measure

Question 30

Adjacent Angles

Answer 30

two coplanar angles with a common side, a common vertex, and no common interior points

Question 31

Vertical Angles

Answer 31

two angles whose sides are opposite rays

Question 32

Complementary Angles

Answer 32

two angles whose measures add up to 90

Question 33

Supplementary Angles

Answer 33

two angles whose measure equal 180

Question 34

Linear Pair

Answer 34

pair of adjacent angles whose non-common sides are opposite rays; angles form a straight line

Question 35

Angle Bisector

Answer 35

ray that divides an angle into two congruent angles