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	|  |  1.  | Find the length of the leg of this right triangle. Give an approximation to 3
decimal places. | a. | 10.863 | b. | 22.804 | c. | 11.314 | d. | 5.657 | 
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	|  |  2.  | Which set of lengths cannot form a right triangle?
 | a. | 4.5 mm, 6 mm, 7.5 mm | c. | 10 mm, 12 mm, 15 mm |  | b. | 9 mm, 12 mm, 15 mm | d. | 18 mm, 24 mm, 30
mm | 
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	|  |  3.  | A photographer shines a camera light at a particular painting forming an angle
of 47° with the camera platform. If the light is 52 feet from the wall where the painting hangs,
how high above the platform is the painting? | a. | 1.07 ft | b. | 48.49 ft | c. | 0.93 ft | d. | 55.76
ft | 
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	|  |  4.  | Write cos A .   | 
	|  |  5.  | A slide 3.8 m long makes an angle of 25° with the ground. How high is the
top of the slide above the ground?
 | a. | 1.77 m | b. | 1.61 m | c. | 1.66 m | d. | 3.44
m | 
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	|  |  6.  | What is x  to the nearest hundredth? (not drawn to scale)   | 
	|  |  7.  | Solve for x to the nearest degree.   | 
	|  |  8.  | Find the length of the altitude drawn to the hypotenuse.   | 
	|  |  9.  | If the short leg of a 30-60-90 triangle is 4, what is the length of the
hypotenuse? | a. |  | b. | 8 | c. | 4 | d. |  | 
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	|  |  10.  | If the hypotenuse of a 45-45-90 triangle is 16, what is the length of one of its
legs? | a. |  | b. |  | c. | 4 | d. | 8 | 
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