The Thirteen Books of the Elements (Google eBook)Volume 3 of threevolume set containing complete English text of all 13 books of the Elements plus critical apparatus analyzing each definition, postulate, and proposition in great detail. Covers textual and linguistic matters; mathematical analyses of Euclid's ideas; classical, medieval, Renaissance and modern commentators; refutations, supports, extrapolations, reinterpretations and historical notes. Vol. 3 includes Books 1013: Commensurable magnitudes, solids, cones, cylinders. 
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Review: The Thirteen Books of the Elements, Vol. 1 (The Elements #1)
User Review  Kellie  GoodreadsI read this, "proved" most of the propositions, and understood about 1/3 of it. Read full review
Review: The Thirteen Books of the Elements, Vol. 1 (The Elements #1)
User Review  Dianna Caley  GoodreadsThis was fun to read. I haven't done proofs since high school. I forgot how much fun they are. Read full review
Common terms and phrases
area a medial bimedial binomial straight line bisected breadth circle ABCD circle EFGH commensurable in length commensurable in square cone cube cut in extreme cylinder deﬁnition diameter dodecahedron equiangular equilateral Euclid extreme and mean ﬁfth ﬁnd ﬁrst apotome ﬁve greater segment Hence icosahedron inscribed irrational straight line joined Lemma let the square magnitudes mean ratio medial area medial straight line medial whole parallelepipedal solids parallelogram pentagon perpendicular plane angles plane of reference polygon prism PROPOSITION proved ratio triplicate rational and incommensurable rational area rational straight line rectangle AC rectangle contained right angles side Similarly solid angle solid CD square number square on AB squares on AC straight lines commensurable surable triangle twice the rectangle vertex whence