All About Angles
Sketchy Segments
Mostly Coordinates
Proving Proofs
The Rejects
100
Its measure is less than 90 degrees
What is an acute angle?
100
This is the point that is exactly in the middle of a line
What is a midpoint?
100
x tells you how far left/right to go, y tells you how far up/down to go
What is how to find a coordinate?
100
A word that means "educated guess"
What is a conjecture?
100
This is true about corresponding angles
What is "they are equal"?
200
These types of angles are opposite each other
What are vertical angles?
200
If BC = 13 and BD = 18, this is the length of CD
What is 5?
200
What is segment AC?
200
To prove a statement false, you only need to give one of these.
What is a counterexample?
200
These are lines that never intersect.
What are parallel lines?
300
∠A and ∠B are a linear pair, and ∠A = 80 degrees, so this is the measure of ∠B
What is 100 degrees?
300
The value of x if B is the midpoint of AC when AB = 15 and BC = 3x
What is x = 5?
300
An angle that measures exactly 90 degrees
What is a right angle?
300
This property is the algebraic step between
4x = 12
x = 3
What is the Division Property?
300
The larger of the two angles between ∠AYX and ∠YXC
What is ∠AYX?
400
If ∠A is 60 degrees, and ∠A plus ∠B are complimentary, this is the measure of ∠B
What is 30 degrees?
400
What is point B?
400
Is the midpoint between (4, 2) and (10, 2)
What is (7, 2)
400
The converse of If it is sunny outside, then it is hot
What is If is hot, then it is sunny outside?
400
The length of C when A = 4 and B = 3
What is 25?
500
If ∠H is a right angle, and ∠H = 5x + 30, this is the value of x
What is x = 12?
500
The value of x if AB = 2x + 1, BC = x + 10, and
AC = 44
What is x = 11?
500
This is true for segment AC if AB = BC
What is "B is the midpoint of AC"?
500
If A = B, and B = C, then A = C, is an example of this property
What is the Transitive Property?
500
The reason "If x = 3, then 6x = 18" is false
What is "False because if x = 3, the equation could be anything as long as it is true when x = 3."?