Question

Q14. If four vertices of a parallelogram taken in order are (-3,-1), (a,b), (3,3) and (4,3), then a:b= (a) 1:4 (b) 4:1 (c) 1:2 (d) 2:1​

Answer 1

Answer:

Step-by-step explanation

Let points be A (-3, -1), B(a, b), C(3, 3) and D(4, 3). So, coordinates of the mid-point of AC = coordinates of the mid-point of BD    

[ '.' ln parallelogram, diagonals bisect each other