GeoGebra
GeoGebra
Lesson 9 - Angle Theorems of a Triangle
Sum of the Angles in a Triangle
Triangle Exterior Angle-Sum Theorem
Lesson 9 - Angle Theorems of a Triangle
Author:
Mr. Coffie
This book contains GeoGebra pages that explore the theorems discussed in 10th grade geometry: the triangle angle-sum theorem and the triangle exterior angle-sum theorem.
Sum of the Angles in a Triangle
Triangle Exterior Angle-Sum Theorem
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Sum of the Angles in a Triangle
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