We were asked to draw a pentahedron. From LearnThat.org.
Yes, he thought to himself as his eyes scanned the fascinating complex of structures, aver there is a dodecahedron, there a pentahedron. From Wordnik.com. [Rama Revisited]
In turn it was a sphere, a disk, a pyramid, a pentahedron, a polyhedron. From Wordnik.com. ["Where Angels Fear to Tread" and Other Stories of the Sea] Reference
“universe”, “prime number”; of the second kind are ideas like “nothing”, “round square”, “regular pentahedron”, “golden mountain” (empirically empty), logical particles such as. From Wordnik.com. [Bolzano's Logic] Reference
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