Question

show that the following points taken in order form the vertices of a parallelogram.
(1) A(-3,1), B(-6, -7), C (3, -9), D(6, -1) (ii) A (-7, -3), B(5,10), C(15,8), D(3,-5)​

Answer 1

Step-by-step explanation:

refer my answers.i have also explained it in graphic way