Question

in the adjoining figure if DE||BC then the value of x is

Answer 1

Answer:

4.7 cm

Step-by-step explanation:

In △ADE and △ABC

∠ADE=∠ABC (As DE∥BC) Corresponding angles

∠AED=∠ACB (As DE∥BC) Corresponding angles

∠DAE=∠BAC  (common angle)

∴△ADE∼△ABC by AAA

⇒  

7

3

​  

=  

x

2

​  

 

⇒x=4.7cm