Exercise 4.3: quad-sol
( -0.500000, 0.866025) , ( -0.500000, -0.866025) ( -0.127085, 0.000000) , ( -2.622915, -0.000000) ( 1.618034, 0.000000) , ( -0.618034, -0.000000) ( 0.914854, 0.000000) , ( -2.914854, -0.000000) ( -0.000000, -0.000000) , ( 0.666667, 0.000000) ( 0.000000, 1.732051) , ( -0.000000, -1.732051)