Basics of Sets
What is a set?
What is a collection of items that have something in common?
A set with no element.
What is Empty set {}?
What is a venn diagram?
Venn diagrams are used to represent the relationship between two or more sets
What is an angle?
An angle is where two rays and a point meet. An angle is a measure if a turn.
Angles that are "side by side" and share a common ray and vertex
Adjacent angles
Each item in the set is called...
What is a member or element?
A set with uncountable members
An infinite set
what Symbols is this AUB
What is union
An angle that measures 83 degrees is...
Acute
Are 45 degrees and 50 degrees complementary?
No
Describe the following set {January, June, July}
What is the months that begin with "J"?
A set where all the members can be numbered
finite set
what is this symbol AnB
What is intersection
An angle that measures 123 degrees is...
Obtuse
Are 112 and 68 supplementary?
Yes
The set of even numbers between 10 and 20.
Is it {12,14,16,18}?
Sets with the same number of members and all the elements are the same.
Is it an equal set?
XUZ when X = {1,3,5,7} when Z = {2,4,6,8}
what is {1,2,3,4,5,6,7,8}
An angle that measures 90 degrees is
Right
Angles opposite to one another and are congruent (same) are called?
Vertically Opposite angles
List the set of composite number between 11 and 23
Is it {12, 14, 15, 16, 18, 20, 21, 22}
A set with the same number of elements but the items in the set are different.
What is an equivalent set?
XnZ when X= {1,3,4,5,6} and Z = {2,4,6}
What is {4,6}
An angle that measures 180 degrees is...
Straight
Angles in a triangle and quadrilateral add up to...
180 degrees and 360 degrees respectively.