Question

show that quadrilateral formed by joining the midpoint of the side of parallelogram pqrs shown in figure in order is a parallelogram

Answer 1

Don't need of doing this as it's ques of Obama, but if u want to do then here is the ans
By using mid pt theorem prove BEis 1/2of CD and BEis parallel toCD. Hence f is mid pt so BEis equal and parallel toCF. And these are properties of parallelogram There fore BECF is parallelogram