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Ms. Bell Unit 4


What are the ways to prove triangles congruent? SSS, SAS, ASA, and AAS
What is the third angles theorem? 2 angles in 1 triangle are congruent to 2 angles in other so the the third one is congruent.
What is a vertex? When sides intersect
What is an adjacent sides? 2 sides sharing a vertex
what is the triangle sum theorem? The sum of the measures of the interior angles of a triangle is 180 degrees
What is the exterior angle theorem? The measure of an exterior angle of a triangle is equal to the sum of the measures of the nonadjacent interior angles.
What is the corollary to the triangle sum theorem> the acute angles of a right triangle are complementary
What is the distance formula? square root (x2-x1)^2 + (y2-y1)^2
Created by: korinna.garfield