given a  triangle ABC and a trapezium BCED
AD=1,AB=3,AE=2,AC=x,EC=?

Asked by Topperlearning User | 26th Jul, 2017, 01:42: PM

Expert Answer:

We see that

 by the  Basic proportionality theorem, as DE ||  BC.

  we have in triangles  ADE and ABC,

 

So x=AC=6

So EC=AC-AE=4

Answered by  | 26th Jul, 2017, 03:42: PM