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Geometry Reflective Portfolio Unit #8 Polygons At the conclusion of each unit, you will create a one page study sheet. You must write the title of the unit and its number. All future study sheets will need to have the same sections! Section #1: Vocabulary (words and/or diagrams) Polygon Quadrilateral Equilateral Equiangular Regular polygon Diagonal Section #2: Formulas/Equations/Theorems Formula/method for finding the sum of the interior angle measures of a regular polygon Formula/method for finding one interior angle measure of a regular polygon Sum of all exterior angle measures of a regular polygon Formula/method for finding one exterior angle measure of a regular polygon Explain the relationship between an interior angle and an exterior angle of a regular polygon Formula for finding the number of diagonals of a polygon Formula/method for finding the median(mid-segment) of a trapezoid Explain the 3 theorems you can use to prove 2 triangles are similar Similar triangles have sides that are in___________________. In a proportion, the product of the means =_____________________. Parallel line theorems Proving lines are parallel theorems Explain 5 ways to prove a quadrilateral is a parallelogram Section #3: Key methods and concepts (write out the process and/or a solved example) Write out the unique properties(include sides, angles, diagonals) of each quadrilateral and its area formula: Parallelogram Rectangle Rhombus Square Trapezoid isosceles trapezoid Kite