In triangle ABC, EF=
a) 3cm
b) 2.5cm
c) 4cm
d) none of these
![In triangle ABC EFa 3cmb 25cmc 4cmd none of these class=](https://us-static.z-dn.net/files/df4/bdbfa7886bf434e7e75b3beeaaa73333.jpg)
Answer:
AE/AB = EF/BC
4cm/ 8cm = EF/ 5cm.....(Criss cross)
EF = 5 x 4/8
EF = 2.5 cm