Vocabulary
Reasoning
Segments
Angles
Algebra
100
An unproven statement based on observation.
What is a conjecture/hypothesis
100
Accepted without proof.
What is a postulate
100
A set of points between two endpoints.
What is a line segment
100
An angle that measures 90 degrees.
What is a right angle.
100
Used to find out how far apart two points are.
What is the distance formula.
200
Two or more points on the same line.
What is collinear
200
It shows a conditional statement is false.
What is a counterexample
200
If B lies between A and C, then AB + BC = AC.
What is Segment Addition Postulate
200
Two angles who's measures add up to 90 degrees.
What are complementary angles.
200
[(add the x's)/2],[(add the y's)/2]
What is midpoint formula.
300
Exists through three noncollinear points
What is a plane
300
If you stand in the rain, then you get wet. If you get wet, then you're standing in the rain.
What is a converse statement
300
The point 1/2 the distance from A to B.
What is the midpoint.
300
Two angles who's measures add up to 180 degrees.
What are supplementary angles.
300
3(x + 2) = 3x + 6
What is Distributive Property of =.
400
Exists when two lines intersect.
What is a point
400
Two lines are perpendicular if and only if they form 90 degree angles.
What is a biconditional statement
400
If AB = CD and AB = 5, then CD = 5.
What is the substitution property of equality.
400
Two angles where both sets of sides form opposite rays.
What are vertical angles.
400
3x + 2 = 6 6 = 3x + 2
What is Symmetric Property of =.
500
Exists when two planes intersect.
What is a line
500
Using facts, definitions and accepted properties in a logical argument.
What is deductive reasoning
500
Measure of AB = measure of CD.
What are congruent segments.
500
Angles that share a common side and are supplementary.
What is a linear pair.
500
The square of the hypoteneuse is equal to the sum of the squares of the two adjacent sides.
What is Pythagorean Theorem.
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