Question

Tlng dong jwb prtnyaan diats,nmr 4 dan 5, krna bsk pgi mw dkmpul,plissss

Answer 1

4. a. akar (9 pangkat 2 + 12 pangkat 2) = akar 225 = 25
  b. BD per AB = BC per AB
     bd = ab x ab per cd
     bd = 9 x 9 per 25
bd = 3,24
c. ad = ab x ac per bc
   ad = 9 x 12 pe 25
   ad = 4.32
..
5.
 L = 1/2 a t
48 = 8 t
t = 6
ps = 6