Chapter 1: Points, Lines, Planes and Angles

Question 1

A location in space. It has no length, width, or thickness. It is represented by a dot.

Answer 1

Point

Question 2

The dot represents a point but it is not a point.

Answer 2

True

Question 3

A dot, unlike a point, has a ___.

Answer 3

size

Question 4

A point is designated by a capital letter ___ to the dot.

a. below
b. top
c. next

Answer 4

C. Next

Question 5

Has length but has no width or thickness

Answer 5

Line

Question 6

A line is designated is designated by the capital of any ___ points or by a _____ letter.

Answer 6

two, small

Question 7

May be straight, curved, or a combination of three.

Answer 7

Line

Question 8

Generated by a point moving always in the same direction. It has unlimited in extent. It can be extended in either direction indefinitely.

Answer 8

Straight Line

Question 9

Generated by a point moving in a continuously changing direction

Answer 9

Curved Line

Question 10

Part of a straight line beginning at a given point and extending limitlessly in one direction.

Answer 10

Ray

Question 11

Has length and width but no thickness.

Answer 11

Surface

Question 12

A surface such as a straight line connecting any two of its points entirely in it.

Answer 12

Plane surface (or plane)

Question 13

The part of a straight line between two points including those two points

Answer 13

Line Segment

Question 14

Two points in a line segment

Answer 14

Endpoints

Question 15

Represented by a straight line over two capital letters representing its two points

Answer 15

Line segment

Question 16

If a line segment is divided into parts:

1. The length of the whole line segment ___ the sum of the lengths of its parts.

Answer 16

Equals

Question 17

A number written beside a line segment designates its length.

Answer 17

True

Question 18

If a line segment is divided into parts:

The length of the whole line segment is ___ than the length of any part.

Answer 18

Greater

Question 19

If a line segment is divided into two equal parts:

1. The point of division is called the ___.

Answer 19

Midpoint

Question 20

Line that crosses at the midpoint of a line segment

Answer 20

Bisector/Line Bisector. It bisects the segment.

Question 21

Term called on points lying on the same line.

Answer 21

Collinear

Question 22

If A, B and C are collinear - AB + BC = AC, what is the midpoint?

Answer 22

B

Question 23

Two lines having the same length

Answer 23

Congruent Lines

Question 24

A portion of a line with only one end point and extended indefinitely

Answer 24

Ray

Question 25

Sometimes called a half-line with an end point.

Answer 25

Ray

Question 26

A ray is represented by a letter at its endpoint and any other point on the ray.

Answer 26

True

Question 27

Formed when two rays are connected at each end point

Answer 27

Angle

Question 28

The point where the end of an angle is connected (and the two rays are connected).

Answer 28

Vertex

Question 29

Sides of an angle is the two rays connected in an angle.

Answer 29

True

Question 30

___ letters are used to name angles or (#)-letter symbol where the middle represents the vertex.

Answer 30

Greek, three

Question 31

Angle less than 90 degrees. (<90)

Answer 31

Acute Angle

Question 32

Angle that measures 90 degrees. (=90)

Answer 32

Right Angle

Question 33

Angle formed when two rats are perpendicular to each other

Answer 33

Right Angle

Question 34

Angle whose measure is more than 90 degrees but less than 180. (180>Angle>90) In between 90 and 180 degrees.

Answer 34

Obtuse angle

Question 35

Straight Angle measures ___ degrees.

Answer 35

180 degrees

Question 36

Angles that sum is equal to 90 degrees.

Answer 36

Complementary Angles

Question 37

Complementary Angles need to be adjacent to each other in order to be classified this kind.

Answer 37

False

Question 38

If two angles are complementary to the same angle or to equal angles, then they are equal to each other.

Answer 38

Theorem, True

Question 39

Two angles that share a common vertex and side

Answer 39

Adjacent Angles

Question 40

Vertical Angles are created when ___ lines form ___ angles.

Answer 40

two, four

Question 41

Non-adjacent angles from two lines forming four angles.

Answer 41

Vertical Angles

Question 42

Vertical Angles are equal angles

Answer 42

Theorem, True

Question 43

There are two pairs of vertical angles

Answer 43

Theorem, True

Question 44

Angles with sum of 180 degrees

Answer 44

Supplementary Angles

Question 45

Angles more than 180 degrees but less than 360 degrees.

Answer 45

Reflex Angles

Question 46

Angles with sum of 360 degrees.

Answer 46

Explementary Angle