Question

5. In A ABC if DE//BC, AD =1.5cm, DB=4.5cm and and AE=lcm then EC=
a)3 cm b)3.5cm c)2cm d)lcm​

Answer 1

Answer:

By using basic proportionality theorem,

AD/DB = AE/EC

1.5/3 = 1/x

3/1.5 = x

x = EC = 2

AC = AE + EC = 1 + 2 = 3 cm.