Question

Besar sudut AOB= 90 DERAJAT, besar sudut BOC= 120 DERAJAT dan luas juring AOB= 48 cm2. Luas juring OBC?

Answer 1

AOB = 90 derajat BOC = 120 derajat L AOB =48 cm2 L BOC =? BOC /AOB = L BOC /L AOB 120/90 = L BOC / 48 4/3 = L BOC / 48 L BOC = 4/3 : 1/48 L BOC = 4/3 x 48/1 L BOC = 192/ 3 L BOC = 64 cm2 periksa lg yaa.. :D..