triangular pyramid


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triangular pyramid

[trī¦aŋ·gyə·lər ′pir·ə‚mid]
(mathematics)
A pyramid whose base is a triangle.
References in periodicals archive ?
The volume of the anterior column is assessed by measuring the three sides of the inverted triangular pyramid (TMJ-incisor, incisor-hyoid and TMJ-TMJ).
How many different triangular pyramids can you build using straws of two different lengths: 5 inches and 7 inches?
One has just two pieces, identical in size and shape, that can be put together to form a triangular pyramid.
Cheung hooked the Xs together to make cube-shaped lattices of repeating triangular pyramids and then crushed the structures to measure their strength and stiffness.
Most zeolites have a framework of small tetrahedral molecular units, triangular pyramids in which four oxygen atoms enclose a central aluminum or silicon atom.
Some three-dimensional shapes that can be introduced to the students are rectangular prisms, cubes, triangular prisms, triangular pyramids, square pyramids, and cylinders.