Trigonometry
posted by Kalina .
1) Two people are 3.21 miles apart and both spot a hot air balloon. One person observes the balloon at an angle of elevation of 25 degrees and the other observes the balloon at an angle of elevation of 38 degrees. Determine the altitude of the ballon and round your answer to the nearest hundrendth and be sure to label your answer.
2) A runner starts at point A and runs 860 feet due East to point B. The runner then turns and runs at a bearing of S12°E for 175 feet to point C. How far is point C from point A?

Here is basically the same question as yours
http://www.jiskha.com/display.cgi?id=1301359487
Just change the numbers
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