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GeoGebraGeoGebra Classroom

Example 3

To find the distance across a pond, Rita climbs a 30-foot observation tower on the shore of the pond and locates points and so that is perpendicular to . She then finds the measure of to be 12 feet. What is the measure of , the distance across the pond?
  1. Determine if the triangles are similar.
  2. Solve the problem.
This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit www.walch.com for more information.