Prove that the points A(2,-2) , B(8,4) , C(5,7) , D(-1,1) are the vertices of a rectangle
Prove that the points A(2,-2) , B(8,4) , C(5,7) , D(-1,1) are the vertices of a rectangle
Shalini , 6 Years ago
Grade 11
Analytical Geometry> Prove that the points A(2,-2) , B(8,4) , ...
1 Answers
Arun
Dear student
As AB =sqrt (72) = CD
BC = sqrt (18) = DA
Also AC = BD = sqrt (90)
hence ABCD will be rectangle.
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