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5 Tutorials that teach Using Similar Triangles to Make Indirect Measurements
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Using Similar Triangles to Make Indirect Measurements
Common Core: 7.G.1 G.SRT.5

Using Similar Triangles to Make Indirect Measurements

Author: Graham Pardun

This lesson explains why similar triangles can be used to make indirect measurements, and provides an example.

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How to Use the Concept of Similar Triangles to Calculate the Height of an Awesome Tree

In this lesson, I'll show you an awesome trick for measuring the height of something which would be a pain to measure directly. This is a trick the first scientists and philosopher, Thales, used in the 6th century BCE to calculate the height of the Great Pyramid in Egypt, which definitely blew peoples' minds away.