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Mathematics 21 Online
OpenStudy (sloppycanada):

An airplane is flying 12,330 feet above level ground. The angle of depression from the plane to the base of a building is 11 degrees. How far must the plane fly horizontally before it is directly over the building?

OpenStudy (sloppycanada):

See I always draw my triangle wrong. Got it. So I want the tangent?

OpenStudy (sloppycanada):

tan11 x 12,330?

OpenStudy (sloppycanada):

So 2396.709

OpenStudy (sloppycanada):

WHen rounded to the nearest whole number, I'm looking at...63432.

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