If PQRS, P(1, 3) Q(2, 6) R(5, 5) S(6, 2) are four point.Prove that PQRS is a parallelogram by vector method.
If PQRS, P(1, 3) Q(2, 6) R(5, 5) S(6, 2) are four point.Prove that PQRS is a parallelogram by vector method.
the perimeter of a triangular ground is 900m. and its sides are in the ratio 3:5:4. using Heron's formula find the area of the ground