Euclid:Proposition/XI/30

From ProofWiki
Jump to navigation Jump to search

Proposition

In the words of Euclid:

Parallelepidedal solids which are on the same base and of the same height, and in which the extremities of the sides which stand up are not on the same straight lines, are equal to one another.

(The Elements: Book $\text{XI}$: Proposition $30$)


Sources