In the figure, M and N are the midpoints of sides PQ and PR respectively . If MN =6 cm then find QR. State your reason .

In the given figure, points S,T and U are the midpoints of sides PQ,QR and PR respectively. IF PV bot QR, then prove that square SVTU is a cyclic quadrilateral.

In the given figure L, M and N are mid point of the sides PQ, PR and QR respectively of DeltaPQR . If PQ = 4.4 cm, QR = 5.6 cm and PR = 4.8 cm then find the perimeter of DeltaLMN .

In the figure , S is the midpoint of seg PQ . Line ST || side QR and PT =5 cm , then find PR. Justify your answer.

In the figure , S is the midpoint of seg PQ . Line ST || side QR and PT = 5 cm , then find PR. Justify your answer.

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

In the adjacent figures, S and T are points on the sides PQ and PR respectively of triangle PQR such that PT = 2cm, TR = 4cm and ST||QR . Find the ratio of the areas of triangle PST and triangle PQR .

In the adjoining figure, S and T are points on the sides PQ and PR respectively of DeltaPQR such that PT=2cm, TR=4 cm and ST is parallel to QR. Find the ratio of the ares of Delta PST and Delta PQR .

In DeltaPQR , A and B are two such points on PQ and PR respectively that AB||QR . If PA=1.7cm , PQ=6.8cm and PR=9cm , then find the value of PB .