" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
DE = 9cm
CE = CD+DE= 8+9=17cm
BE = √(CE²-BC²)
BE=(17²-8²)=√(289-64)= √225=15cm
AD = …cm???
karena ∆ ACD kongruen (sama dan sebangun) dengan ∆ BCE maka BE = AD = 15 cm.
Jawabannya c.15