Izidor Hafner
Demonstrations 61 - 80 of 1077
 Find the Opposite Face Coloring Polyhedra Given by Map Projections Coloring Polyhedra with Four Colors Nets of Some Simple Polyhedron Compounds Relations between the Platonic and Archimedean Solids Icosahedral Rotational Symmetry Types Prince Rupert's Cube Determining a House-Like Solid from Three Orthogonal Projections Three Orthogonal Projections of Polyhedra Sum of Numbers on Invisible Faces Tomahawk Quinsector Grünbaum's Skeletal Polyhedra Hyperboloid of One Sheet with Op Art Motifs Orthogonal Projection of a Solid of Constant Width Two Proofs that the Volume of the Regular Octahedron Is Four Times the Volume of the Regular Tetrahedron 23. Construct a Triangle Given Two Sides and the Inradius 22. Construct a Triangle Given the Hypotenuse and the Length of an Angle Bisector Number of Cubes Stacked in a Corner 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

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