If two parallel lines are cut by a transversal, then alternate interior angles are congruent.
What is the Alternate Interior Angles Theorem?
100
The property in the following example.
(x/2)=6;
x=12
What is Multiplication Property of Equality?
100
If a=b then b=a.
What is the Symmetric Property of Equality?
200
Non-Adjacent angles between parallel lines
What are Alternate Interior Angles?
200
A(n) is a line that intersects two coplanear lines at two points.
What is a transversal?
200
If two parallel lines are cut by a transversal, then alternate exterior angles are congruent.
What is the Alternate Exterior Angles Theorem?
200
Information needed to say two angles are congruent.
What is Parallel Lines?
200
If a=b and b=c, then a=c.
What is the Transitive Property of Equality?
300
Non-adjacent angles that are outside of the parallel lines.
What are Alternate Exterior Angles?
300
The slope of a line is the ratio of the to the .
What is Rise and Run?
300
If two intersecting lines form a linear pair of congruent angles, then the lines are .
What is Perpendicular?
300
Frets and Guitar Strings are an example of this.
What is Perpendicular Lines?
300
The reasoning behind the example:
If you are tardy 3 times, then you must go to detention. Shea was tardy three times. Therefore, you conclude Shea is in detention.
What is the Law of Detachment?
400
Non-adjacent angles formed by intersecting lines.
What are Vertical Angles?
400
A segment or line which divides a line into two congruent angles.
What is a Perpendicular Bisector?
400
If two parallel lines are cut by a transversal, then same-side interior angles are supplementary.
What is Same-Side Interior Angles Theorem?
400
If two coplanear lines are cut by a transversal and alternate interior angles, then two lines are parallel.
What is the Converse of Alternate Interior Angles Theorem?
400
A Statement like "Lines are parallel if and only if they are cut by a transversal and alternate interior angles are congruent".
What is a Biconditional Statement?
500
Interior angles on one side of the transversal.
What are Same Side Interior Angles?
500
The is used to write the equation of a line with a given slope that passes through a given point.
What is Point-Slope Form?
500
In a plane, if a transversal is perpendicular to one of the two parallel lines, then it is perpendicular to the other line.
What is the Perpendicular Transversal Theorem?
500
The three ways that prove that lines are parallel.
What is
Converse of Alternate Interior Angles Theorem,
Converse of Alternate Exterior Angles Theorem, and Converse of the Same-Side Interior Angles Theorem?