Coxeter- Figure 1.6D (left)
ABCD is perspective to ZRCW (with center Q), ZRCW is perspective to QTDW (with center A), and QTDW is perspective to BADC (with center R).
Spreadsheet and Histogram
9.1.3 Pre #1103407 option D
Geometric Intuition of Multiplying Complex Numbers
testfileWed Aug 08 20:27:20 CEST 20180.6069080760601498