two lines that are the same distance apart and will never touch
What are parallel lines
The sum of the three interior angles in a triangle is always 180 degrees
What is the triangle sum conjecture
CPCTC
What is corresponding parts of congruent triangles are congruent
If two angles form a linear pair, then the measures of the angles ad up to 180 degrees
What is the linear pair conjecture
Three 60 degree angles
What is the size of the angles in an equilateral triangle?
If two angles are vertical angles, then they are congurent
What is the vertical angle conjecture
A right triangle has one angle that is 45 degrees. What is the measure of the 3rd angle
What is 45 degrees
If a triangle is isosceles, then its base angles are congruent
What is the isosceles triangle conjecture
SAA, ASA, SSS, ASA, HL
What are the five triangle congruence conjecture shortcuts
The sum of the lengths of any two sides of a triangle is greater than the length of the third side
What is the triangle inequality conjecture.