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Q.

Through M the mid-point of side CD of a parallelogram ABCD, the line BM is drawn intersecting AC at L and AD produced at E. State if “EL=2BL” is true or false.


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a

False

b

True 

answer is B.

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Detailed Solution

It is given that that M is the mid-point of side CD of parallelogram ABCD.
Let us draw the figure according to the given data.
Question Image ΔBCM~ΔEDM MD=CM BC=DE AD=BC  
AE=2BC ΔACL~ΔAEL  
Applying Thales theorem,  EL BL = AE BC =2   EL=2BL  
Hence, EL=2BL   proved.
The given statement is true.
Hence, the correct option is 2.
 
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Through M the mid-point of side CD of a parallelogram ABCD, the line BM is drawn intersecting AC at L and AD produced at E. State if “EL=2BL” is true or false.