Let `square PQRS` be a quadrilateral. If M and N are the mid-points of the sides PQ and RS respectively, then PS+QR=

Let square PQRS be a quadrilateral. If M and N are the mid-points of the sides PQ and RS respectively, then bar(PS)+bar(QR) =

PQR is a triangle right-angled at Q. If X and Y are the mid-points of the sides PQ and QR respectively, then which one of the following is not correct?

In A PQR, if PQ=PQ and L,M and N are the mid-points of the sides PQ,PR and RP respectively.Prove that LN=MN

squarePQRS is a reactangle. If A, B and C are the mid-points of PQ, PS and QR respectively, then prove that AB+AC=1/2(PR+SQ).

squarePQRS is a reactangle. If A, B and C are the mid-points of PQ, PS and QR respectively, then prove that AB+AC=1/2(PR+SQ).

In the adjoining figure, PQRS is a parallelogram. A and B are the mid-points of PQ of SR respectively. If PS= BR, then prove that quadrilateral ADBC is a reactangle.

In the adjoining figure, PQRS is a parallelogram. A and B are the mid-points of PQ of SR respectively. If PS= BR, then prove that quadrilateral ADBC is a reactangle.

PQRS is a rectangle, A, B, C and D are the mid points of sides PQ, QR, RS and PS respectively. If area of Delta PQR is 48 cm^2 , then what is the area (in cm^2 ) of Delta BCD?