Question

From the given fig. find the value of AD if DE||BC.​

Answer 1

Answer:

sorry I don' t know the fig

  but I some other fig if it is same u can use my ans

ANSWER

     Given: DB = 7.2 cm, AE = 1.8 cm and EC = 5.4 cm and DE || BC.  

DB

AD

​  

=  

AC

AE

​  

 

[by basic proportionality theorem which states that if a line is drawn parallel to one side of a triangle the other two sides in distinct points, then the other two sides are divided in the same.  

7.2

AD

​  

=  

5.4

1.8

​  

 

AD=  

5.4

7.2×1.8

​  

 

AD=  

10

24

​  

 

⟹AD=2 . 4 c m