Question 1114656: 1. The Sears Tower in Chicago is 1,450 feet tall. A model of that tower is 24 inches tall. What is the ratio of the height of that model to the height of the actual Sears Tower?
A) 1:725
B) 725:1
C) 12:725
D) 725:12
2. Are the polygons similar If they are, write a statement explaining how they are similar and tell their factor of scaling.
These figures are drawn not to scale.
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A) TUWV ~ DEFG; 4.5:2.8
B) TUWV ~ EFGD; 6:2.1
C) TUWV ~ DEFG; 6:4.5
D) The polygons are not similar
3. Which statement explaining how telling these 2 triangles are similar can you write about them?
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A) Triangle GHF ~ Triangle GIH ~ Triangle HIF
B) Triangle HIF ~ Triangle GIH ~ Triangle GFH
C) Triangle GFH ~ Triangle GHI ~ Triangle HIF
D) Triangle GHF ~ Triangle IGH ~ Triangle HIF
4. What are the values of x and y?
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A) x over 136 over 15, y = 17 over 15
B) x = 64 over 15, y = 17 over 15
C) x = 8 over 15, y = 136 over 15
D) x = 64 over 15, y = 136 over 15
5. What is the value of x to the nearest tenth? This figure is not drawn to scale.
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A) x = 2.1
B) x = 3.4
C) x = 9.6
D) x = 13.1
6. Are these two triangles similar? How do you know they are similar or unsimilar?
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A) no
B) yes; by AA ~
C) yes; by SAS ~
D) yes; by SSS ~
7. What is the geometric mean of 7 and 11?
A) 3 square root 7
B) 3 square root 11
C) 77
D) Square root 77
8. A salsa recipe uses greenish pepper, onion and tomato in the extended ratio 3:5:7. How many cups of tomato are needed to make 105 cups of salsa for that recipe?
A) 7
B) 21
C) 35
D) 49
9. What is the length of this altitude drawn to its hypotenuse? This figure is drawn not to scale.
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A) Square root 70
B) 70
C) Square root 19
D) 19
10. What is the solution to this proportion?
5 over 8 = m over 40
A) 1 over 25
B) 25
C) 5
D) 1
11. What is the value of x, given that Line PQ is parallel to line BC?
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A) 26
B) 15
C) 13
D) 11
Answer by ikleyn(52784)   (Show Source):
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