trirectangular tetrahedron
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Connections
octant
Entity
geometry
Entity
Johannes Kepler
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area
Entity
International Standard Book Number
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angle
Entity
Pythagorean theorem
Entity
volume
Entity
cube
Entity
tetrahedron
Entity
steradian
Entity
right angle
Entity
Euclidean space
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solid geometry
Entity
vertex
Entity
edge
Entity
solid angle
Entity
MathWorld
Entity
altitude
Entity
simplex
Entity