Question

Three vertices of a rectangle are given. Find the coordinates of the fourth vertex.

(2, 5), (6, 1), (4, –1)

Answer 1

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Answer 2

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Answer 3

mid point of AC is (3,2)
now mid point BD is if D is(h,k) is (6+h/2,1+k/2) which is equal mid point of AC
(6+h)/2=3
6+h=6
h=0
1+k)/2=2
1+k=4
k=3
point (0,3)