се! 20. Show that:a the points (0,-2), (3,1). (0, 4), (-3, 1) arever – InterviewSolution

1.	се! 20. Show that:a the points (0,-2), (3,1). (0, 4), (-3, 1) arevertices of a squaretheA'a the points (o -1), (2, 3), (6, 7), (8, 3) are thevertices of a rectangle
Answer» 1)PR²= (0-0)²+(-2-4)²= 36SQ²=(-3-3)²+(1-1)²= 36the above two diagonals are equal further, PQ²= 18QR²= 18so the proof is obvious

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