Note that BC is a horizontal line (y = -4) of length 11
So, AD must also be horizontal (y = 2) of length 11.
So, D = (-3,2)
This is quite easy if you actually get out some graph paper and plot points A,B,C !
Parallelogram ABCD has vertices A(8, 2), B(6, –4), and C(–5, –4). Find the coordinates of D.
1 answer