Wolfram Demonstrations Project
Triangles
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Demonstrations 321 - 340 of 419
A Parallelogram Defined by the Centers of Four IncirclesA Relation between the Areas of Four TrianglesThree Subtriangles of a TriangleA Triangle and an External Contact TriangleContact Triangles of a Triangle
A Parallelogram Defined by the Centers of Four Incircles
A Relation between the Areas of Four Triangles
Three Subtriangles of a Triangle
A Triangle and an External Contact Triangle
Contact Triangles of a Triangle
Tangents to an ExcircleLines Parallel to the Sides of a TriangleMixtilinear IncirclesArea of a Triangle inside the IncircleAdams' Circle and the Gergonne Point
Tangents to an Excircle
Lines Parallel to the Sides of a Triangle
Mixtilinear Incircles
Area of a Triangle inside the Incircle
Adams' Circle and the Gergonne Point
A Rotating Reuleaux TriangleCofunction Identities for Sine and CosineIncircles and a CevianThe Midpoints of Two CeviansThe Area of the Contact Triangle
A Rotating Reuleaux Triangle
Cofunction Identities for Sine and Cosine
Incircles and a Cevian
The Midpoints of Two Cevians
The Area of the Contact Triangle
The Minkowski Sum of Two TrianglesNapoleon's TheoremEuclid's Proof of the Pythagorean TheoremSimson's TheoremStengel's Theorem
The Minkowski Sum of Two Triangles
Napoleon's Theorem
Euclid's Proof of the Pythagorean Theorem
Simson's Theorem
Stengel's Theorem

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