Math 600: Unit 7

Front 1

The measure of how likely an event is to occur, when all outcomes are equally likely.

Back 1

Probability

Front 2

P (event) =

Back 2

Number of Favorable Outcomes
------------------------------------
Total Number of Outcomes

Front 3

Two events with no outcomes in common, where one or the other must occur.

Back 3

complementary events

Front 4

The probabilities of complementary events will always add to ___ or ___

Back 4

1 or 100%

Front 5

Formula for Complementary Events

Back 5

P(event) + P(event) = 1

Front 6

An event where two or more events happen one after the other, or at the same time

Back 6

compound event

Front 7

a compound event where the likelihood of one event does not affect the other(s)

Back 7

independent events

Front 8

an organized listing of all possible outcomes for an experiment

Back 8

sample space

Front 9

an organizing tool used to find the sample space for compound events

Back 9

tree diagram

Front 10

How can the sample space be organized?

Back 10

By using a list, a table or a tree diagram.

Front 11

The probability of an event must be expressed as a percent.

Back 11

False

Front 12

two rays with a common endpoint

Back 12

angle

Front 13

on the same line

Back 13

collinear

Front 14

a point that marks the end of a line segment or ray

Back 14

endpoint

Front 15

a branch of mathematics that deals with the measurement, properties, and relationships of points, lines, angles, and planes

Back 15

two-dimensional geometry

Front 16

an infinite set of points forming a straight path that continues in two directions

Back 16

line

Front 17

a part of a line bounded by two endpoints

Back 17

line segment

Front 18

a flat surface that continues in all directions

Back 18

plane

Front 19

a position in space

Back 19

point

Front 20

a part of a line that has one endpoint and continues in one direction

Back 20

ray

Front 21

the point where two line segments, lines, or rays meet to form an angle

Back 21

vertex

Front 22

Name four things that can be contained in a plane?

Back 22

a point, a line, a ray, an angle

Front 23

an angle measuring less than 90 degrees

Back 23

acute angle

Front 24

the unit of angle measure

Back 24

degrees

Front 25

an angle measuring greater than 90 degrees

Back 25

obtuse angle

Front 26

a tool used to measure angles

Back 26

protractor

Front 27

an angle measuring 90 degrees

Back 27

right angle

Front 28

the angle measuring 180 degrees

Back 28

straight angle

Front 29

two angles with a common vertex and side

Back 29

adjacent angles

Front 30

two angles whose sum is 90 degrees

Back 30

complementary angles

Front 31

angles that have the same measure

Back 31

congruent angles

Front 32

lines that intersect and create right angles

Back 32

perpendicular lines

Front 33

two angles whose sum is 180 degrees

Back 33

supplementary angles

Front 34

congruent angles that are opposite from one another at the intersection of two lines

Back 34

vertical angles

Front 35

T/F - Vertical angles are always congruent

Back 35

True

Front 36

T/F - Perpendicular lines meet at 90 degree angles

Back 36

True

Front 37

T/F - Complementary angles are a pair of angles whose measures total 90 degrees

Back 37

True

Front 38

If two lines intersect, what angles are congruent?

Back 38

Opposite angles and Vertical angles

Front 39

If two lines intersect, what angle measures will add to 180 degrees?

Back 39

Adjacent angles and Supplementary Angles

Front 40

If two lines intersect and one angle measures 25 degrees, what are the measures of the other angles?

Back 40

25 degrees and 155 degrees

Front 41

If two lines are perpendicular, what is the measure of the vertical angles?

Back 41

90 degrees

Front 42

If two angles are complementary and congruent, what is the measure of each angle?

Back 42

45 degrees

Front 43

Two angles with a common vertex and side

Back 43

adjacent angles

Front 44

Two angles whose sum is 90 degrees

Back 44

complementary angles

Front 45

Angles that have the same measure

Back 45

congruent angles

Front 46

Lines that intersect and create right angles

Back 46

perpendicular lines

Front 47

Two angles whose sum is 180 degrees

Back 47

supplementary angles

Front 48

Congruent angles that are opposite from one another at the intersection of two lines

Back 48

vertical angles

Front 49

If two lines intersect, what angles are congruent?

Back 49

opposite angles and vertical angles

Front 50

If two lines intersect, what angle measures will add up to 180 degrees?

Back 50

adjacent angles and supplementary angles

Front 51

a triangle with no angle measuring 90 degrees or more

Back 51

acute triangle

Front 52

a triangle whose three sides all are the same length

Back 52

equilateral triangle

Front 53

a triangle with at least two equal sides

Back 53

isosceles triangle

Front 54

a triangle with one angle that measures more than 90 degrees

Back 54

obtuse triangle

Front 55

a triangle with one angle that measures 90 degrees

Back 55

right triangle

Front 56

a triangle with no sides equal

Back 56

scalene triangle

Front 57

A triangle has an angle that measures 90 degrees. What type of triangle could it be?

Back 57

Scalene, Isosceles, Right

Front 58

What type of triangle has exactly two acute angles?

Back 58

Right, Obtuse

Front 59

What type of triangle can have one right angle?

Back 59

Scalene and Isosceles

Front 60

Lines that never cross one another and are the same distance apart at all times

Back 60

parallel lines

Front 61

A quadrilateral with two sets of parallel, congruent sides

Back 61

parallelogram

Front 62

A polygon with four sides

Back 62

quadrilateral

Front 63

A parallelogram with four right angles

Back 63

rectangle

Front 64

A parallelogram with four congruent sides

Back 64

rhombus

Front 65

A parallelogram with four right angles and four congruent sides

Back 65

square

Front 66

T/F - A parallelogram is a quadrilateral

Back 66

True

Front 67

A rectangle is a _____ and ____.

Back 67

Quadrilateral and Parallelogram

Front 68

A quadrilateral has four right angles. What figure could it be?

Back 68

parallelogram, square, rectangle, rhombus

Front 69

a polygon with ten sides

Back 69

decagon

Front 70

a polygon with twelve sides

Back 70

dodecagon

Front 71

having sides of equal length

Back 71

equilateral

Front 72

a polygon with seven sides

Back 72

heptagon

Front 73

a polygon with six sides

Back 73

hexagon

Front 74

a polygon with eight sides

Back 74

octagon

Front 75

a polygon with five sides

Back 75

pentagon

Front 76

a closed figure made up of line segments

Back 76

polygon

Front 77

a polygon whose sides are all congruent

Back 77

regular polygon

Front 78

polygons that have the same size and shape

Back 78

congruent figures

Front 79

angles in the same position on similar figures

Back 79

corresponding angles

Front 80

sides in the same position on similar figures

Back 80

corresponding sides

Front 81

angles or sides in the same position on similar figures

Back 81

corresponding parts

Front 82

polygons that have the same shape but not the same size

Back 82

similar figures