Math 115 Quiz 9

Math 115 Quiz 9 - 4 A man is lying on the beach flying a...

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Name Math 115 11 / 22 / 11 Quiz 9-10 (20 points) Directions: You have 15 minutes for this quiz. You are allowed a calculator, though TI-89, TI- 92, or any calculator with a QWERTY keyboard is not permitted. Please complete the following. No work, no credit. 1. Find the length of the arc that subtends a central angle of in a circle of radius 7 inches. 2. If the area of a sector in a circle is one-fifteenth the area of the circle and the radius of the circle is 6 feet, find (a) the central angle this sector subtends and (b) the length of the arc that subtends the angle in part (a) . 3. Suppose . Find .
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Name Math 115 11 / 22 / 11 Quiz 9-10 (20 points)
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Unformatted text preview: 4. A man is lying on the beach flying a kite. He holds the end of the kite string at ground level and estimates the angle of elevation of the kite to be. If the string is 420 feet long, how high is the kite above the ground? (Round your answer to two decimal places.) 5. A plane is flying at an altitude of 35,000 feet. An instrument measures the angle of depression to the near side of a nearby island to be and the angle of depression to the far side of the island to be . Given this information, how long is the island, i.e. how many feet separate the near and far side of the island?...
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This note was uploaded on 12/13/2011 for the course MATH 115 taught by Professor Plotkin during the Spring '08 term at Rutgers.

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Math 115 Quiz 9 - 4 A man is lying on the beach flying a...

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