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US Common Core State Standard Math HSG-CO.C.10
Demonstrations 1 - 15 of 15
Description of Standard:
Halving a Triangle
Angle and Length Measurement of a Polygon
The Interior Angles of a Triangle Sum to Pi
The Medians of a Triangle Divide It into Three Smaller Triangles of Equal Area
The Medians of a Triangle Are Concurrent: A Visual Proof
The Centroid of a Triangle Divides Each Median in the Ratio 1:2
Euclid, Book 3, Proposition 22
The Sum of the Interior Angles of a Triangle Equals 180 Degrees by Paper Folding
Interior Angles of a Triangle
Medial Division of Triangles
The Erdös-Mordell Inequality
Angles in a Quadrilateral Total 360°
Angles in a Triangle Total 180 Degrees
Oriented Triangle Angles
The Triangle Inequality
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