Question

If the points (a, -11),(5,5), (2, 15) and (1,
1) are the vertices of a parallelogram taken in
order, then the values of a and b are
(a) a = 4, b=-3 (b) a =-4, b = 3
(c) a = -4, b=-3 (d) a = 4, b = 3​

Answer 1

Answer:

option c is right answer

Step-by-step explanation:

please mark brianliest answer