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 `angleEFD.`

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.

In the given figure, D, E and F are the midpoints of the sides BC, CA and AB of DeltaABC. BE bisect DF at X while CF bisect DE at Y, then BC = a XY. Find a.

If D, E, F are the midpoints of BC, CA, AB of Delta ABC, then vec(A)D + vec(B)E + vec(C)F =

D,E,F are midpoints of sides BC,CA,AB of DeltaABC . Find the ratio of areas of DeltaDEF and DeltaABC .

In a DeltaABC , D, E and F are the midpoints of BC, CA and AB respectively. If the lengths of side AB, BC and CA are 7 cm, 8 cm and 9 cm respectively, the perimeter of DeltaDEF is a cm. The value of a/2 is

In a DeltaABC,D,E and F are respectively the mid-points of BC, CA and AB. If the lengths of side AB, BC and CA are 7 cm, 8 cm and 9 cm respectively, find the permeter of DeltaDEF.

In a DeltaABC,D,E and F are respectively the mid-points of BC, CA and AB. If the lengths of side AB, BC and CA are 7 cm, 8 cm and 9 cm respectively, find the permeter of DeltaDEF.

If a chord AB subtends and angle of 60^(@) at the centre of a circle, then the angle between the tangents to the circle drawn from A and B is

If a chord AB subtends and angle of 60^(@) at the centre of a circle, then the angle between the tangents to the circle drawn from A and B is