" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
AD =√20
AB= √(√20)^2 +4^2
AB=√20+16 =√36 (D)
24. CE/CB = DE/AB
8/12= 9/CB
CB=9x 12/8 = 13,5
maka BE = 13,5-9= 4,5 (D)