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GeoGebra

Example 1

作者：Walch Education
A meterstick casts a shadow 65 centimeters long. At the same time, a tree casts a shadow 2.6 meters long. How tall is the tree?
  1. Draw a picture to understand the information.
  2. Determine if the triangles are similar.
  3. Solve the problem.
This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit www.walch.com for more information.

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