8.GM.5 - Triangle Angle Theorems

This resource has been marked as outstanding by a GeoGebra moderator.

Applet allows the student to powerfully discover the triangle interior and exterior angle sum theorems. Geometric transformations (translation & rotation) are at the heart of this "proof" without words.

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Sharon Mahon — July 16, 2019 - 2:58 PM

Resource Type: Activity
Tags: 180 360 angle ccss ccss.8.g.a.5 ccss.hsg.co.c.10 common common-core core exploration exterior interior sum theorem theorems triangle triangles Show More…
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Target Group (Age): 11 – 15
Language: English

Views: 825

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License: CC-BY-SA, GeoGebra Terms of Use
Based Upon: Triangle Angle Theorems (V2)
Shared by Tim Brzezinski

8.GM.5 - Triangle Angle Theorems

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HCS 8th General

8.GM.5 - Triangle Angle Theorems

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HCS 8th General