and are the mid-points of the diagonals AC and BD respectively of a Quadrilateral 1300. Bee 48. AD-CB+CD equals (2) 2NM (4) 4MN

If M and N are the mid-points of the diagonals AC and BD respectively of a quadrilateral ABCD,then the of vec AB+vec AD+vec CB+vec CD equals

M and N are mid-point of the diagnols AC and BD respectivley of quadrilateral ABCD, then bar(AB) + bar(AD)+bar(CB)+bar(CD) =

M and N are mid-point of the diagnols AC and BD respectivley of quadrilateral ABCD, then bar(AB) + bar(AD)+bar(CB)+bar(CD) =

M and N are mid-point of the diagnols AC and BD respectivley of quadrilateral ABCD, then bar(AB) + bar(AD)+bar(CB)+bar(CD) =

If PQ are the mid points of diagonal AC and BD respectively of a quadrilateral ABCD ,then prove that vec AB+vec AD+vec CB+vec CD=4vec PQ

In a trapezium ABCD, if E and F be the mid points of the diagonals AC and BD respectively, then EF=

In a trapezium ABCD, if E and F be the mid-points of diagonal AC and BD respectively. Prove that EF=1/2(AB-CD).

In a trapezium ABCD, if E and F be the mid-points of diagonal AC and BD respectively. Prove that EF=1/2(AB-CD).

If P, Q are the mid-points of the diagonals AC and BD of a quadrilateral aBCD and R is the mid-points of PQ, then overline(RA)+overline(RB)+overline(RC)+overline(RD)=