Question

Show that A (-4,-7),B (-1.2). C(8.5) and D(5,-4) are the vertices of a
parallelogram.​

Answer 1

angle of a and b

formula x1+x2/2,y1+y2/2

-4+(-4)/2,-7+2/2

-8/2,5/2

(-4,5/2)

Step-by-step explanation:

do like this for b and c, then c and d, then a and d......... then two answer will we equal.... so parallelogram