D, E, F are respectively the mid points of the sides BC, CA, AB of triangle ABC. Then CEFD is a ____________
Trapezium
Rectangle
Rhombus
Parallelogram
We know that the line joining the mid points of two sides of a triangle is parallel to the third side.
D, E, F are respectively the mid points of the sides BC, CA, AB of triangle ABC. Then CEFD is definitely a parallelogram.