SOLUTION: kylie measures the angle of elevation from a point on level ground to the top of a building 120 meters high to be 32 degrees. She walks toward the building until the angle of eleva
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Question 381560: kylie measures the angle of elevation from a point on level ground to the top of a building 120 meters high to be 32 degrees. She walks toward the building until the angle of elevation is 45 degrees. How far does she walk? Set up a trig equation Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! kylie measures the angle of elevation from a point on level ground to the top of a building 120 meters high to be 32 degrees. She walks toward the building until the angle of elevation is 45 degrees. How far does she walk? Set up a trig equation
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Draw the picture
Base of larger triangle ?:
tan(32) = 120/base
base = 120/tan(32)
base = 192.04
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Base of smaller triangle ?:
base = 120/tan(45)
base = 120
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Walking distance = 192.04-120 = 72.04 meters
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Cheers,
Stan H.
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