AB=5/4BC AC=BC/2 AB+BC+AC=22 5/4BC+BC/2+BC=22 5/4BC+2/4BC+4/4BC=22 5BC+2BC+4BC=22*4 11BC=88 BC=8 AB=5/4*8 AB=10 AC=22-8-10 AC=4 AB=10, BC=8, AC=4