Angles
Definitions, Theorems, Postulates
Prove it!
Conditional Statements
Math Magic
100
∠A+∠B= 180º
What are supplementary angles?
100
__　　___　　__
PQ + QR = PR
Segment Addition Postulate
100
ΔABC≅ΔDEF
∠A=5, ∠B=2, BC=10
∠D=5, ∠E=2, EF=10
Angle-Angle-Side Postulate
100
If an animal is a cat, then it has whiskers.
State the conclusion.
...then it has whiskers.
100
If Q is between A and M and MQ = 7.3 and AM = 8.5, then QA = ___?
1.2
200
∠A and ∠B are complementary.
If m∠A=(4x+6)º and m∠B=(5x+3)º, then x = ___?
What is 9?
200
CPCTC
Corresponding Parts of Congruent Triangles are Congruent
200
A road sign is in the shape of a heptagon. What is the measure of each angle on the sign?(to the nearest tenth?)
What is 128.6 degrees
200
If an animal is a cat, then it has whiskers.
State the inverse.
If an animal is not a cat then it does not have whiskers
200
Determine the slope of the line that
contains the points (1, 5) and (-2, 7).
-2/3
300
∠1 and ∠2 are a linear pair.
m∠1=(2x)º and m∠2=(8x+10)º
Solve for x.
What is 17?
300
In this triangle, two or more sides/angles are congruent.
What is an isosceles triangle?
300
(6,5) (5,8) What is the slope of the two points?
What is 3?
300
If an animal is a cat, then it has whiskers.
State the converse.
If an animal is not a cat, then it does not have whiskers
300
Two sides of a triangle are 6 and 12. What is the possible range of the third side? 
What is 6<x<18?
400
→
EG bisects ∠DEF. If m∠DEG=(45)º and
m∠DEF=(90)º, then m∠GEF = ____?
What is 45º?
400
∠M≅∠M
Reflexive Property of Congruence
400
To flip and negate
What is contrapositive?
400
If an animal is a cat, then it has whiskers.
State the contrapositive
If it does not have whiskers, then an animal is not a cat.
400
How many sides does a regular polygon have if each exterior angle measure 20? 
What is 18 sides? 
500
Types of angles formed when given two parallel lines cut by a transversal that equal 180 degrees.
same side interior
500
If ∠1 is complementary to ∠2, then m∠1 + m∠2 equals?
90 degrees
500
Which of the following three numbers cannot form a triangle: a)21,6,10   b)5,7,8   c)23,17,14


What is a?
500
State the inverse:
4≤x<10
4>x≥10
500
(9,8) and (13,-4) What is the midpoint?
What is (11,2)
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