Helium Breeze
May 9th, 2010
trigonometry problem?
Could someone please tell me if this is right ?
A 35-meter line is used to tether a helium-filled balloon. Because of a breeze, the line makes an angle of approximately 65° with the ground.
(b) Use a trigonometric function to write an equation involving the unknown quantity h.
35tan(65 degrees) = h
(c) What is the height of the balloon?
75.06 m
No this is not correct. you need to use the sin function rather than the tan function. Tangent is the opposite side over the adjacent side. You don’t know either of those lengths, but you do know the hypotenuse, so use the sin function
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