Hitunglah nilai a,b,c dan d pada gambar berikut MOHON BANTUANNYA BESERTA CARA JALANNYA

Kubantu 3 ya

(a.)
6/10 = 8/(8 + a)
3/5 = 8/(8 + a)
40 = 24 + 3a
3a = 16
a= 16/3 cm
a = 5,33 cm

(b.)
2/5 = b/(b + 5)
5b =2b + 10
3b = 10
b= 1 ⅓ cm
b =3,33 cm

(c.)
5/8 = c/(c + 4)
8c = 5c + 20
3c =20
c= 6 ⅔
c=6,67 cm