Solve each problem completely. 1. From the second-floor window directly across the street the angle of elevation of the top of an office building in Makati is 57o 20' and the angle of depression of the base is 18o 16'. If the buildings are 38.3 meters apart, find the height of the office building. 2. The post office building in Manila is 21.8 meters away from the southern bank of the Pasig River. From a window of the building 18.5 meters above the ground, a man finds that the angle of depression of the northern bank is 8o 12'. What is the width of the river at this point? 3. A plane flew 150 miles on a course of 220o and then 130 miles on a course 130o. Then the plane returned to its starting point via the shortest route possible. Find that shortest distance.
Solve each problem completely.
1. From the second-floor window directly across the street the
2. The post office building in Manila is 21.8 meters away from the southern bank of the Pasig River. From a window of the building 18.5 meters above the ground, a man finds that the angle of depression of the northern bank is 8o 12'. What is the width of the river at this point?
3. A plane flew 150 miles on a course of 220o and then 130 miles on a course 130o. Then the plane returned to its starting point via the shortest route possible. Find that shortest distance.
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