Jika luas juring COD = 80 cm2,maka luas juring BOC adalah… By Admin ReiPosted on December 3, 2022 Jika luas juring COD = 80 cm2,maka luas juring BOC adalah… BOC/80 = 30/60BOC = 80 x 30 ÷ 60BOC = 40 cm²