(I.22) Construct a Triangle from 3 lines, Proof

Support my channel with this special custom merch! https://www.etsy.com/listing/994053982/wooden-platonic-solids-geometry-set Learn this proposition with interactive step-by-step here: coming soon In proposition 22, of Euclid's elements, we prove that with any 3 lines that satisfy the conditions of proposition 20, then on any line of arbitrary length we can always construct a triangle with its sides congruent to the 3 given lines. Playlist of Euclid's Elements in link below: http://www.youtube.com/playlist?list=PLFC65BA76F7142E9D