Question

Abcd is a parallelogram and e is the mid point of bc.If ab =4.2cm then bl=?

Answer 1

Answer:

Given, E is mid point of AD

Also EB∥DF

⇒ B is mid point of AF [mid--point theorem]

so, AF=2AB (1)

Since, ABCD is a parallelogram,

CD=AB

⇒AF=2CD

AD∥BC⇒LB∥AD

In ΔFDA

⇒LB∥AD

⇒

LD

LF

=

AB

FB

=1 from (1)

⇒LF=LD

so, DF=2DL In the given figure, ABCD is parallelogram and E is the mid-point of AD. A line through D, drawn parallel to EB, meets AB produced at F and BC at L.

Step-by-step explanation:

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