In the diagram given above,D,E and F are mid-points of BC, CA and AB . If the angle between the tangents drawn at A and B is `60^@` , find `angle EFD`.

In the diagram given above,D,E and F are midpoints of BC,CA and AB. If the angle between the tangents drawn at A and B is 60^(@), find /_EFD.

D, E and F are the mid-points of the sides BC, CA and AB of a triangle ABC. Show that BDEF is a parallelogram

In the given DeltaABC , points D and E are mid points of AB and AC and also BC=6 cm then find DE.

D, E and F are the mid-points of AB, BC and CA of the equilateral DeltaABC. Prove that DeltaDEF is also an equilateral triangle.

In the diagram above, A,B,P and Q are points of contacts of direct common tangents of the two circles. If angle ACB is 120^@ , then find the angle between the two tangents and angle made by PQ at the centre of same circle.

D,E and F are mid-points of the sides BC, CA and AB respectively of triangleABC . Prove that ar(triangleDEF) = 1/4 ar (triangleABC)

D, E, F are the mid points of BC, CA and AB of Delta ABC . If AD and BE intersect in G, then AG + BG + CG is equal to

D, E and F are the mid-points of the sides AB, BC and CA of the DeltaABC . Prove that DeltaDEF=1/4DeltaABC .

D,E and F are the mid points of the sides BC, CA and AB respectivley of f triangle ABC then the ratio of the areas of triangle DEF and ABC =………..

D,E and F are mid-points of the sides BC, CA and AB respectively of triangleABC . Prove that ar(||gmBDEF)= 1/2 ar (triangleABC)