Proofs
Definitions
Conditional Statements
Properties and Postulates
Angles
Potpourri
100
What type of proofs do I ask you to write...
Direct, Indirect, Paragraph, 2-column, flowchart
Two column proofs
100
Segment that cuts a geometric figure into 2 equal parts
Bisector
100
The hypothesis of conditional statement starts with a
IF
100
This property is known as: a=a
Reflexive Property of Congruence
100
What do you call these types of angles?
100
What is the only mammal that can truly fly?
A Bat
200
In a proof you should always start with a....
Given
200
point on a segment that cuts a segment into 2 equal parts or segments
Midpoint
200
The conclusion in a conditional statement starts with a...
Then
200
This property is known as: a=b b=a
Symmetric Property of Congruence
200
What do you call this set of angles?
Linear Pair
200
What day is All Saints Day
November 1st
300
In a proof always end with...
what you are going to prove
300
Using logic, reason, and evidence to come to a conclusion
Deductive Reasoning
300
What is the converse of: If it rains, then it is wet outside.
If it is wet outside, then it is raining.
300
This property is known as: a=b b=c then a=c
Transitive Property of Congruence
300
Complementary Angles sum to...
90°
300
This famous magician died on Halloween in 1926
Harry Houdini
400
In a two-column proof the left side is the....
Statements
400
A logical argument that uses deductive reasoning to show that a statement is true
Proof
400
What is the inverse of this statement: If I set my alarm, then I will make it to school on time.
If I don't set my alarm, then I won't make it to school on time.
400
Name this postulate: ab + bc = ac
Segment Addition Postulate
400
Solve for x
x=5
400
We get this spooky word from the old English meaning "Wise Woman"
Witch
500
In a two column proof the right side is....
Reasons (evidence)
500
When two lines form a right angle
Perpendicular
500
What is the contrapositive of this statement: If a shape is a square, then it has four equal sides.
If a shape doesn't have four equal sides, then it is not a square.
500
Name this postulate:
mangle1+mangle2=mangleABC
Angle addition postulate
500
Solve for x and y
x=16
y=17
500
Name the Sanderson Sisters
Mary, Sarah, and Winifred