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Stuff to know for the Chapter 7/8 Test
Topics
 Names of polygons (triangle, quadrilateral, pentagon, etc...)
 How to find the sum of the interior angles of an nsided polygon
 How to find the sum of the exterior angles of an nsided polygon
 How to find the number of diagonals for an nsided polygon
 What a regular polygon is and how to find the measure of one interior or exterior angle of a regular polygon
 The definition of ratio and proportion
 The meansextremes products theorem
 The meansextremes ratio theorem
 How to find the arithmetic and geometric mean of two numbers
 How to find the nth proportional of three numbers where n is 1, 2, 3, or 4
 The definition of similar polygons
 Theorem 61 (the ratio of the perimeters of two similar polygons equals the ratio of any pair of corresponding sides)
 Methods of proving triangles similar (AA~, SAS~, SSS~)
 The SideSplitter Theorem
 The SideSplitter Theorem applied to parallel lines (Theorem 66)
 The Angle Bisector Theorem
Types of Problems
 Proofs
 Lots of sum of interior angles, sum of exterior angles, finding the measure of interior angle given the others, etc.
 Diagrams of triangles, parallel lines with some givens  need to find other lengths, angle, etc. using various techniques (including proportions)
