Question

A tree 5ft tall has a shadow that is 14ft long. Of another tree cast a shadow 21 feet long, at the same time of day, how tall is the tree?

Answer 1

This problem is related to proportions(direct variation).
Step 1: Set a proportion like this-\[5:14=x:21 \]Step 2: I'm afraid that you'd have to do this step on your own. Solve.

Answer 2

7.4999

Answer 3

@akhil009 I appreciate you answering with the intent of helping people, but unfortunately you are supposed to work with the asker and make him achieve the solution for it.
http://openstudy.com/code-of-conduct

Answer 4

here is trigo approch