Question

In triangle abc de is parallel to bc if de=5cm,bc=8cm,ad=3.5cm then length of bd=?

Answer 1

> AD/AB=AE/AC=DE/BC (Thales Th.)

> 3.5/AB=5/8

> AB=3.5×8/5

> AB=5.6 cm

Answer 2

Answer:

Step-by-step explanation:

Ad/ab=de/bc

3.5/ab=5/8

8*3.5=5*ab

28.0=5ab

Ab=28/5

Ab=5.6