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Unformatted text preview: Math 13900 Exam 1 Fall 2010 1 Circle the letter of the correct answer for #1-3. (7 pts)1. Consider the pentagram shown here. Imagine it as the base of a pyramid . How many faces, edges, and vertices would the resulting pyramid have? . faces: 7 edges: 15 vertices: 10 . faces: 6 edges: 10 vertices: 6 . faces: 11 edges: 30 vertices: 11 . faces: 12 edges: 20 vertices: 12 . f A B C D E aces: 11 edges: 20 vertices: 11 (7 pts)2. Consider these statements about parallelograms. Which statements are always true? I. Opposite angles are the same size. II. Diagonals are the same length. III. Diagonals bisect each other. . I only . I and II only . II and III only . I and III only . I, II and III A B C D E (7 pts)3. Determine the volume and surface area of the figure shown. Assume that there are no unseen indentations or holes in the figure. . volume: 9 cu units surface area: 16 sq units . volume: 9 cu units surface area: 32 sq units . volume: 7 cu units surface area: 16 sq units . volume: 7 cu units surface area: 32 A B C D sq units . volume: 9 cu units surface area: 23 sq units E Math 13900...
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- Fall '09