Math GM 7.3.2.1
9. The two right triangles above are similar. What is the length of side X?
A. 3 centimeters
B. 9 centimeters
C. 12 centimeters
D. 15 centimeters
10. Which of the following describes the two triangles shown above?
A. Equilateral, similar
B. Isosceles, similar
C. Equilateral, dissimilar
D. Isosceles, dissimilar
11. Two books have measurements that are geometrically similar. The cover of the first book is 8 inches tall and has a surface area of 96 inches. If the cover of the second book is 10 inches high, what is the second books surface area?
A. 120 in2
B. 140 in2
C. 150 in2
D. 180 in2
12. If cube A has side lengths of 4 and cube B has side lengths of 12, which of the following describes the relationship between cube A and cube B?
A. They are similar; cube B is larger by a scale factor of 3
B. They are similar; cube B is larger by a scale factor of 8
C. They are dissimilar; cube B is larger by a scale factor of 3
D. They are dissimilar; cube B is larger by a scale factor of 8
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