Question

If AD=DB, AE=EC, DE∥BC and DE=3cm,then find the value of
BC.

Answer 1

Answer:

In the given figure, DE ∥ BC.

(i) If AD=3⋅6cm,AB=9cm and AE=2⋅4cm, find EC

(ii) If

DB

AD

=

5

3

and AC=5⋅6cm, find AE

(iii) If AD=xcm,DB=(x−2)cm,AE=(x+2)cm and EC=(x−1)cm, find the value of x.