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bluenblonderw
31.07.2019 •
Mathematics
Brandon sights a helicopter above a building that is 200 feet away at an angle of elevation of 30 degrees. to the nearest foot, how high above the ground the is the helicopter
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Ответ:
We then have the following trigonometric relationship:
Tan (30) = y / 200
Clearing the value of and we have:
y = 200 * tan (30)
y = 115.4700538
Nearest foot:
y = 116 feet.
the helicopter is 116 feet above the ground
Ответ: