Question

In the given fig., it is given that BDEF and FDCE are parallelograms. If BD=8cm, then determine CD.​

Answer 1

Answer:

Correct option is A)

Given:-

ABC is a triangle. D,EF are points on BC,CA.AB taken in order. BDEF anf FDCE are parallelograms.

To Prove:-

BD=CD

Proof:-

In parallelogram BDEF,

BD=EF…(i)[Opposite sides of a parallelogram are equal.]

In parallelogram FDCE,

CD=EF…(ii)[Opposite sides of a parallelogram are equal.]

From (i) and (ii),

BD=CD

Hence, proved.