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Triangle Angle Sum
Author:
Ryan Smith
Make a Triangle
Make a triangle, show the angles and determine the sum of the three angles?
GeoGebra
What is the sum of the three angles?
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New Resources
Reflection Across 2 Parallel Lines
Reflection across a line
Locus Related to Descartes' Folium
Circle Passing Through 3 Points
Reflection = 180° Rotation about a Line
Discover Resources
eq-tri-intro
Step Solutions 2011 Paper
step3.7BstudentB
Geom- logo shapes
Геометрия-13-9_класс ОТ
Discover Topics
Mathematics
Linear Regression
Natural Numbers
Median Line
Stochastic Process or Random Process