Triangle Sum Theorem

Technologically Embodied
Geometric Functions

Return to the Congruence and Similarity unit description.

In this activity you will transform triangles and discover some interesting facts about the angles of any triangle.

Download the student worksheet. Using the angle slider Step 1 Step 5: Use the Rotate tool

Release Information and Rights

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Web Sketchpad Copyright © 2015 KCP Technologies, a McGraw-Hill Education Company.
“You may freely use Web Sketchpad in your own Web pages, provided you do so for non-commercial use only” [per kcpt.github.io].

Activity License: Creative Commons CC-BY-NC-SA 4.0

Update History:

28 October 2016: Created this page.

This web site is based in part upon work supported by the National Science Foundation under NCSU IUSE award 1712280 (July 2017 through June 2019) and KCP Technologies DRK-12 award ID 0918733 (September 2009 through August 2013). Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

We are deeply grateful to McGraw-Hill Education for making Web Sketchpad available for these activities.

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