Prove that the points (2, –2), (–2, 1) and (5, 2) are the vertices of a right angled triangle. Also

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Prove that the points (2 –2) (–2 1) and (5 2) are the vertices of a right angled triangle. Also find the area of this triangle.
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thx sir pls do more previour year quesiton paper solutions

dhruvesharma