Kakak, please bantu jawab besok di kumpulin? sama caranya juga
#F
ΔCDE sebangun ΔABE, karena
<C = <A
<D = <B
<E = <E
(a) AB/AE = CD/CE → AB/5 = 28/20 → AB = ( 5 x 28)/(20) = 28/4 = 7
(b) DE/CE = BE/AE → DE/20 = 4/5 → DE = (4 x 20)/5 = 4(4) = 16