A vertical tree is growing on the side of hill with slope of 10 degrees to the horizontal. From a point 50 meters downhill from the tree, than angle of elevation to the top of the tree is 18 degrees. Find the height of the tree. The book answer is 7.32 m, but I keep getting 17.5 m. Help!

Question

coconutjj · Answer

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anonymous · Answer

yeahh mmh so i do Tang(18) *50?...

anonymous · Answer

but it giives me 16.24

anonymous · Answer

the question says a vertical tree you are drawing it at right angles to the slope

anonymous · Answer

you have an elevation of 18 deg.from the horiz. 
that's  your mistake  the answer is 7.38