" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
AD/14 = 8/6
AD = 18.7 (C)
7. Sesuai triple phytagoras, DE=6cm CE=8cm, maka CD = 10 cm
AC/CD = BC/CE
15/10 = BC/8
BC = 12
∴BD= BC-CD
=12-10=2 cm (A)
8. EF= (AD.EB+AE.BC)/(AE+EB)
= (16×6+9×24)/(6+9)
= 20,8 (C)