Question

17.In the figure, if DE || BC, AD = 3cm, BD = 4cm and BC= 14 cm, then DE equals.
a) 7cm
(b) 4cm
(b) 6cm
(d) 3cm​

Answer 1

Answer:

Please attach the figure for your answer.

Answer 2

Answer:

6cm

Step-by-step explanation:

Since DE∥ BC, ∆ABC ~ ∆ADE ( By AA rule of similarity)

So, AD/AB=DE/BC

i.e. 3/7=DE/14

3/7*14=DE

So DE = 6cm

Sorry this answer is totally correct i accidentally marked (1 star).