Let ABCD be a parallelogram whose diagonals intersect at Pand let O be the origin, then OA+Ob+OC+OD equals
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1
Answer:
4 OP
Step-by-step explanation:
P which is the intersection of diagonals of parallelogram its bisects the diagonal
Thus
OP=
2
(OA+OC)
i.e.
OA+OC=2OP ---------------------- (i)
Similarly
OB+OD=OP ------------------- (ii)
Adding (i) and (ii)
we get
OA + Ob+ OC + OD
=4 OP
hope it helps you...
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