Answer:
yes because AB II CD and BC II AD
Explanation:
Quadrilateral ABCDABCDA, B, C, D has the following vertices:
A(-3,0)A(−3,0)A, left parenthesis, minus, 3, comma, 0, right parenthesis
B(7,2)B(7,2)B, left parenthesis, 7, comma, 2, right parenthesis
C(1,-4)C(1,−4)C, left parenthesis, 1, comma, minus, 4, right parenthesis
D(-9,-6)D(−9,−6)D, left parenthesis, minus, 9, comma, minus, 6, right parenthesis
Is quadrilateral ABCDABCDA, B, C, D a parallelogram, and why?
I got it right on khan academy