Unit 2, Day 2: Review Pythagorean theorem. Definitions of angles. triangle angle sum; triangle classifications, distance formula.

Pythagorean theorem: A theorem attributed to Pythagoras that the square of the hypotenuse of a right triangle is equal to the sum f the squares of the other.

Triangle Angle Sum: The sum of the interior angles of any triangle is equal to 180 degrees. Triangle classifications: The basic elements of any triangle are its sides and angles. triangles are classified depending on relative sizes of their elements.

Triangle Classification: The basic elements of any triangle are its sides and angles. Triangles are classified depending on relative sizes of their elements.

make sure to watch these videos:http://www.youtube.com/watch?v=D_y_owf1WsI and http://www.youtube.com/watch?v=QNl_yb8doRk

Tips from the pros Video: http://www.youtube.com/watch?v=ZdpvX7GqAr4