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ROCKY MOUNTAIN MATHEMATICS GEOMETRY Chapter 10 Review NAME: PERIOD: Know the definitions for each of the following vocabulary words for matching. Polygon Area formulas for the following: Apothem Convex Polygon Parallelogram Altitude Concave Polygon Square Diagonal Regular Polygon Rectangle Radius Vertices of a Polygon Triangle Diameter Sides of a Polygon Trapezoid Area vs Perimeter (Circumference) Rhombus Formula for Sum of the Interior Angles of a Convex Polygon Sum of the Exterior Angles of a Convex Polygon Regular Polygon Circle Know definitions, theorems and postulates to answer True False questions. There will be Multiple Choice and short answer like the following. 1. Find the sum of the interior angles of a convex hexagon. 2. If the measure of an exterior angle of a regular convex polygon is 30º, find the number of sides of the polygon. 18. Find the measure of each interior angle of a regular convex nonagon. 19. Find the sum of the exterior angles of a regular convex 24-gon. 20. Find the area of a rectangle that is 30 in long and 4 in wide. 21. If the diagonals of a rhombus are 12 ft and 8 ft long, find the area of the rhombus. 22. Find the area of a triangle with a base of 14 m and an altitude of 18 m. Page 1 of 2 ROCKY MOUNTAIN MATHEMATICS 23. A trapezoid with a height of 12 ft has bases of length 12 ft and 10 ft. Find the area of the trapezoid. 24. Find the area of an equilateral triangle with a side length of 12 cm. 25. Find the area of a regular pentagon if its apothem is approximately 8 ft long and each of its sides is 11.6 ft long. Short Answer (5 points each) – solve for the area of each figure and fill in the correct answer in the blank to the right of each question. 26. 27. 28. 4 6 2 17 12 12 10 5 7 18 15 Area = 29. 4 . Area = 30. 16 . . 31. 20 26 Area = 3 13 13 5 10 20 Area = 32. 5 . Area = . Shaded Area = . 33. \ Area of Semi-circle = 20 . Page 2 of 2 Area = .