Law of Sine and Cosine test prep

# Law of Sine and Cosine test prep - 1 A flagpole is situated...

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1. A flagpole is situated on a hill that makes an angle of 18 degrees with the horizontal. How tall is the flagpole if its shadow is 14 meters when the angle of elevation of the sun is 31 degrees? 2. Two people are walking toward each other on a path through the park. The path runs east and west. A hot air balloon is directly above the path between them. One of the walkers, a female, sees the balloon when looking east at an angle of elevation of 46 degrees. The other walker, a male, sees the balloon looking west at an angle of elevation f 72 degrees. If the walkers are 55 yards apart, how far is the balloon from the male observer? 3. An airplane is sighted at the same time by two ground observers who are 4 miles apart and both directly west of the airplane. They report the angles of elevation as 11 degrees and 22 degrees. How high is the airplane? 4. Points (0,0), (0,-9), and (-12,0) are plotted on the coordinate plane forming a right triangle. Solve the triangles.

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5. The road from Westville to Centerville is 10 miles long, and from Centerville to
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## This note was uploaded on 09/18/2009 for the course MATH 0976544 taught by Professor Jackson during the Spring '99 term at McLennan Community College.

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Law of Sine and Cosine test prep - 1 A flagpole is situated...

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