Triangles
Demonstrations 1 - 20 of 577
 Mixtilinear IncirclesUpdated this month Right Pyramid Volume and Surface AreaNew this month Height of Object from Angle of Elevation Using TangentNew this month The Apollonius Circle of a TriangleNew this month Orthopolar Lines for a QuadrilateralNew this month Obtuse Random Triangles from Three Points in a RectangleUpdated this month Heron's FormulaNew this month New Solution of Plemelj's Triangle ProblemNew this month 31. Construct a Triangle ABC Given the Length of AB, an Adjacent Angle and the Difference of the Lengths of the Other Two Sides 30. Construct a Triangle ABC Given the Length of AB, the Angle at C and the Difference of the Other Two Sides 28. Construct a Triangle ABC Given the Length of AB, the Sum of the Other Two Sides, and a Line Containing C Labeled Fuss-Catalan Polygon Divisions 20b. Construct a Triangle Given the Length of Its Base, the Difference of Its Base Angles and a Line Containing the Third Vertex Acute Sets in Euclidean Spaces 23. Construct a Triangle Given Two Sides and the Inradius 22. Construct a Triangle Given the Hypotenuse and the Length of an Angle Bisector Given a Segment, Construct Its Perpendicular Bisector; Given a Triangle, Construct Its Circumcircle 27b. Construct a Triangle Given Its Perimeter, an Angle and the Length of the Altitude to the Side Opposite the Angle 27a. Construct a Triangle Given a Side, the Length of the Altitude to It and the Opposite Angle

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