Question

1. The angle of elevation to the top of a very tall Building is found to be 8° from the ground at a distance of 1 mi from the base of the building. Using this information, find the height of the building. (Round your answer to the nearest foot.)
_______ft

2. A 19-ft ladder leans against a building so that the angle between the ground and the ladder is 71°. How high does the ladder reach on the building? (Round your answer to the nearest foot.)
______ft

3. 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 55°. If the string is 450 ft long, how high is the kite above the ground? (Round your answer to the nearest foot.)
______ ft

4. A woman standing on a hill sees a flagpole that she knows is 50 ft tall. The angle of depression to the bottom of the pole is 14°, and the angle of elevation to the top of the pole is 18°. Find her distance x from the pole. (Round your answer to one decimal place.)
x = _______ ft

Answer 1

Solution 1. AB-) Building I mile = 5280 feet tan 8°= e imi tang = AB AC AB 5280 = 5280 tan 8 = 742.0556 = 742 feet =) Height of building . ) AB TAB 2. AB - Building . BC - hadden 19 ft Sinto = AB с Single - AB 19 . C. =) AB = 19 sint = 17.96 AB ñ 18.ft. Answeg Scanned with CamScanner