E and F are points on the sides PQ and PR respectively of `DeltaPQR`. For each of the following state whether `EF||QR` or not?
PF=1.28 cm, FR=2.56 cm,
PE=0.18 cm and EQ=0.36 cm.

E and F are points on the sides PQ and PR respectively of DeltaPQR . For each of the following state whether EF||QR or not? PF=1.28 cm, FR=2.56 cm, PE=1.8 cm and EQ=3.6 cm.

E and F are points on the sides PQ and PR respectively of DeltaPQR . For each of the following state whether EF||QR or not? PE=4cm,QE=4.5cm, PF=8 cm and RF=9cm.

E and F are points on the sides PQ and PR respectively of DeltaPQR . For each of the following state whether EF||QR or not? PE=3.9 cm ,EQ=3cm, PF=3.6 cm and FR=2.4 cm.

In triangle /_\PQR , E and F are points on the sides PQ and PR respectively. For each of the following state whether EF|\|QR or not. i) PE=3.9 cm, EQ=3 cm, PF=3.6 cm and FR=2.4 cm.

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 DeltaABC , E and F are the points on the sides AB and AC respectively. IF AE=2 cm, EB=2.5 cm, AF=4 cm, and FC=5 cm, then………………

Draw the following triangles and construct circumcircles for them: In DeltaPQR , PQ = 5 cm , QR = 6 cm and RP= 8.2cm.

D(2,1,0) E(2,0,0) F(0,1,0) are mid points of the sides BC,CA,AB of Delta ABC respectively. The centroid of Delta ABC is ……..