Types Of Triangles
Triangle Congruency
Vocabulary
Formulas
Postulates & Theorems of Parallel Lines
100
a triangle with a 90 degree angle
what is a right triangle
100
three congruent sides of a triangle
What is SSS
100
when shapes are congruent after a transformation
What is an isometry
100
group of mathematical symbols that express a relationship or that are used to solve a problem
What is a formula
100
if two lines are cut by a transversal and corresponding angles are congruent, then the lines are parallel
What is the converse of corresponding angles postulate
200
a triangle with an angle over 90 degrees
what is an obtuse triangle
200
a side trapped between two congruent angles
What is ASA
200
angles in the same position on different triangles
What is corresponding angles
200
the formula for slope
What is y=mx+b
200
if two lines are cut by a transversal and the alternate angles are congruent, then the lines are parallel
What is the converse of alternate exterior angles theorem
300
an angle with two congruent sides
What is an isosceles triangle
300
true or false: SSA is a way to name congruent triangles
What is false
300
a ray that cuts an angle exactly in half
What is angle bisector
300
1. draw the given shape 2. identify needed formulas 3. use algebra to reach proof these steps help you complete....
What is solving coordinate proofs
300
when two lines are cut by a transversal and the same-side exterior angles are supplementary, then the lines are parallel
What is the converse of same-side exterior angles postulate
400
a triangle with all congruent sides
What is an equilateral triangle
400
the five ways to name congruent triangle
What is SAS, ASA, AAS, SSS, *HL
400
makes a shape larger or smaller
What is a dilation
400
x1 + x2 y1 + y2 --------- , --------- 2 2
what is the midpoint formula
400
reverse theorems and prove that angles are congruent to find out if....
What is if lines are parallel
500
another name for an equilateral
What is an equiangular triangle
500
Hypotenuse Leg
What does the HL in the *HL theorem stand for?
500
corresponding parts of congruent triangles are congruent
What is CPCTC
500
when trying to find the length of a hypotenuse of a right triangle, you would use what formula?
What is the distance formula
500
when two parallel lines are cut by a transversal
corresponding angles are congruent, alternate interior angles are congruent, alternate exterior angles are congruent, same-side interior angles are supplementary, and same side exterior angles are supplementary when...?
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