Question

If three consecutive vertices of a parallelogram are (1, -2), (3, 6) and (5, 10), find its fourth vertex.

Answer 1

Step-by-step explanation:

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Answer 2

D is (10,15)

Step-by-step explanation:

Let hte vertices of a parallelogram ABCD be A(1,-2) B(3,6) and C(5,10) and D(x,y)

We know that slope of AB = slope of CD

 6-1/3+2 = y-10/x-5

 y - 10 = 5

 y = 15

 x - 5 = 5

 x = 10

So the co-ordinates of D is (10,15)