Congruent parts of congruent triangles are congruent
What is CPCTC
200
An angle smaller than 90 degrees(right angle)
What are acute angles
200
An equiangular triangle
What triangle has 3 congruent angles?
200
angle is higher than 90 degrees but less than 180 degrees
What is an obtuse angle?
200
If 3 sides of 1 triangle are congruent to 3 corresponding sides of another triangle then triangles are congruent
What is SSS?
200
When these two angles added up they equal 90 degrees
What are complementary <s
300
an _____ _______ cuts an angle in 1/2
What is an angle bisector
300
An Obtuse triangle
What triangle has 1 obtuse angle?
300
These angles add up to 180 degrees
What are supplementary angles?
300
if 2 angles and a trapped side of one triangle are congruent to 2 angles and the corresponding trapped side of another triangle the triangles are congruent
What is AAS?
300
This pair adds up to 180 degrees
What is a linear pair
400
A ________ triangle has no congruent sides
What is a scalene triangle
400
An equilateral triangle
What triangle has 3 congruent sides?
400
every angle in an ________ triangle equal 60 degrees
What is an equiangular triangle?
400
if the hypotenuse & leg in one triangle R congruent to the hypotenuse & 1 leg of another triangle the triangles R congruent
What is *HL
400
ASA-SSS-SAS-AAS-*HL
What are the 5 methods for triangle congruency
500
The sum of the measures of the interior angles of a triangle is 180 degrees
What is the triangle sum theorem
500
Third angle theorem
What theorem applies if 2 angles are congruent to each other then the third angles are also congruent?
500
This shared side is equal to itself by which property
What is the reflexive property?
500
if 2 sides & included angle in 1 triangle R congruent to 2 sides & included angle in another triangle - triangles R congruent
What is SAS?
500
linear pairs add up to 180 degrees , if m<1 is 55* the measure of <2 is?