Question

in the fourth vertex D of a parallelogram ABCD whose three vertices are a - 2, 3 and b 6, 7 and C 8, 3​

Answer 1

Step-by-step explanation:

midpoint of AC = -2+8/2 ,3+3/2

x = 3 ,y= 3

midpoint of BD =x+6 /2, y+7/2

(3,3)=x+6/2, y+7/2

x+6\2=3 ,y+7\2=3

x=0 ,y=-1