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a tree casts a shadow that is 20 feet long ,the angle of elevation of the sun is 29 degrees.how tall is the tree
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ese001

by ese001 at February 14, 2011

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tan29 = x/20 (20)tan29 = x x is the height of the tree
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wlim wlim February 14, 2011

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First, draw a diagram. Then plug in your known values (the length of the shadow cast by the tree, and the angle of elevation). All you have to do afterward is use a trigonometric function that corresponds to your known values to solve the problem. And the person below me did that for me :D
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Gentou Gentou February 17, 2011

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The shadow is the adjacent side and the tree is opposite side. The angle is 29 . So tan29=Tree height/shadow=x/20 x=20xtan29=11.086 feet
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chitra003 chitra003 February 17, 2011

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