Five marks exercise problems XII — task. Mathematics State Board, Class 9.

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Show that the following points taken in order form the vertices of a parallelogram.

\(A(-7, -3)\), \(B(5, 10)\), \(C(15, 8)\), \(D(3, -5)\)

AB = \sqrt{i}

BC = \sqrt{i}

CD = \sqrt{i}

DA = \sqrt{i}

and

\(ABCD\) is a .

Did you find an error?

26. Five marks exercise problems XII