Angles
Congruency
Properties & Postulates
More Properties & Postulates
Miscellaneous
100
Angles opposite the congruent sides of an isosceles triangle
What is base angles
100
What is CPCTC?
What is Corresponding Parts of Congruent Triangles are Congruent
100
AB=AB
What is reflexive
100
If a=b then a+c=b+c and a-c=b-c
What is Addition/Subtraction Property
100
Through any two points there is exactly 1
What is line
200
Given: a = 21 degrees b = 87 degrees c = 99 degrees d = 93 degrees e = 69 degrees Which angles are supplementary?
What is b and d
200
If side AB is congruent to side BC but not to side AC, what type of triangle is it?
What is isosceles
200
AB=CD then CD=AB
What is Symmetric
200
If a=b then ac=bc and a/c=b/c
What is Multiplication/Division Property
200
If two lines intersect, then their intersection is exactly one
What is point
300
a = 21 degrees b = 87 degrees c = 99 degrees d = 93 degrees e = 69 degrees Which are complementary?
What is a and e
300
An isosceles triangle has a vertex angle of 40, and the measure of one of its base angles is 2x. Find x.
What is 35
300
If AB=CD and CD=EF, then AB=EF
What is Transitive
300
If a=b, then a may be substituted for b in any equation or expression.
What is Substitution Property
300
What is a logical argument in which a statement is supported by a statement that is accepted as true
What is Proof
400
If angles A and E for a linear pair, and angle A measures 49 degrees, what is the measure of angle E?
What is 131
400
An equilateral triangle has 2 measured angles. One measures 2x+6, and another measures 3x-6. Find x.
What is 12
400
If AB+BC=AC, then B is between A and C.
What is Segment Addition Postulate, or Seg Add Post.
400
a(b+c)=ab+ac
What is distributive
400
A statement or conjecture that has been proven true
What is Theorem
500
If triangle ABC is equilateral, and A and D are vertical angles, then what is the measure of angle D?
What is 60 degrees
500
An isosceles triangle has a vertex angle of 90 degrees. One of its base angles measures 3x. Find x.
What is 15
500
If M is between A and B, and AM=MB
What is Midpoint Theorem
500
Angle CAD= 60 degrees Angle DAB=Angle CAB What is AB?
What is Angle Bisector
500
An isosceles triangle ABC has a vertex angle B measuring 3x, and a base angle A measuring x. Angle A=_____ Angle B=_____ Angle C=_____
What is Angle A=108 Angle B=36 Angle C=36
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