if a transversal intersects two parallel lines, then corresponding angles are congruent
What is corresponding angles postulate?
100
if three sides of one triangle are congruent to the three sides of another triangle, then the two triangles are congruent
What is side-side-side (sss) postulate?
100
two lines that are always the same distance apart and never touch
What are parallel lines?
200
accepted statement or fact
What is a postulate?
200
if-then statement
What is a conditional?
200
y=mx+b
What is slope intercept form?
200
if the hypotenuse and a leg of one right triangle are congruent to the hypotenuse and leg of another right triangle, then the two triangles are congruent
What is hypotenuse-leg (hl) theorem?
200
to prove segments are congruent, what formula do you use?
What is distance formula?
300
planes that do not intersect
What are parallel lines?
300
combination of a conditional statement and its converse
What is a bi conditional statement.
300
a line that intersects two co-planar lines at two distinct points
What is a transversal?
300
________ ________ have congruent corresponding parts- their matching sides and angles (same size and shape)
What are congruent polygons?
300
to show lines are perpendicular, what do you have to show?
What is opposite reciprocal slopes?
400
a ray that divides an angle into two congruent coplanar angles
What is an angle bisector?
400
if a = b and b = c, then a = c
What is transitive property?
400
the measure of an exterior angle of a triangle is greater than the measure of either of its remote interior angles
What is corollary?
400
side between two consecutive angles
What is the included side?
400
to prove lines are parallel, what do you have to show?
What is same slope?
500
an example for which the conjecture is incorrect
What is a counter example?
500
two co-planar angles with a common side, vertex, an no common interior points
What are adjacent angles?
500
the measure of each exterior angle of a triangle equals the sum of the measures of its two remote interior angles
What is triangle exterior angle theorem?
500
what does CPCTC stand for?
What is Corresponding Parts of Congruent Triangles are Congruent?
500
a four-sided plane rectilinear figure with opposite sides parallel