The first six books of the elements of Euclid : with a commentary and geometrical exercises ; to which are annexed a treatise on solid geometry, and short essays on ancient geometrical analysis, and the theory of transversals (1861)
Lardner, Dionysius, 1793-1859 · London : Print. for Taylor and Walton · leaf 81
B F. Since C B and A I are equal and also C B and A D, itfollows that A K is the square of B C, and in like manner that C Lis the square of A B. The parallelograms B I and K L have basesand altitudes equal to those of the triangle ABC, and are thereforeeach equal to twice the triangle, and together…
Geometry
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
