Definition:Prism/Lower Base
< Definition:Prism(Redirected from Definition:Lower Base of Prism)
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Definition
One of the two bases of a prism is distinguished from the other one, and identified as the lower base.
The prism is then situated so that its lower base appears at the bottom of its depiction in whatever diagram it is used in.
In the above diagram, the face $ABCDE$ would be identified as being the lower base of the prism.