SOLUTION: Brianna is 1.53 meters tall. One day, she casts a shadow that was 2.11 meters long. At the same time, a tree casts a shadow that was 8.7 meters long. Find the height of the tree in

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: Brianna is 1.53 meters tall. One day, she casts a shadow that was 2.11 meters long. At the same time, a tree casts a shadow that was 8.7 meters long. Find the height of the tree in      Log On

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Question 1162981: Brianna is 1.53 meters tall. One day, she casts a shadow that was 2.11 meters long. At the same time, a tree casts a shadow that was 8.7 meters long. Find the height of the tree in meters, to the nearest two decimal places.
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
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From the triangles similarity, use the proportion


    x%2F1.53 = 8.7%2F2.11.


From the proportion, find  x, the height of the tree.

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