Find all possible coordinates of parallelogram | coordinates of A ; coordinates of B ; coordinates of C
< ? php $ ax = 5 ; $ ay = 0 ; $ bx = 1 ; $ by = 1 ; $ cx = 2 ; $ cy = 5 ; echo $ ax + $ bx - $ cx , " , ▁ " , $ ay + $ by - $ cy , " STRNEWLINE " ; echo $ ax + $ cx - $ bx , " , ▁ " , $ ay + $ cy - $ by , " STRNEWLINE " ; echo $ cx + $ bx - $ ax , " , ▁ " , $ cy + $ by - $ ax ; ? >