Question

Tolong jawab soal yg no. 7 pake cara ya kak :) makasih :)

Answer 1

BD=√13²-5²
    =√169-25
    =√144
    =12 CM
12 cm:2=6
bc=6cm
cd=6cm
ed=ea-ad
   =13-5
   =8 cm
EC=√ed + cd
    =√8²+6²
    =√64+36
    =√100
ec=10 cm (b)

Answer 2

Cari BD= 169-25= akar144 (phytagoras)
BD = 12
CD= 12:2= 6
EC= 64+36= akar 100= 10 B