1.

Show that the points (-4, -7), (-1, 2), (8, 5) and (5, -4) taken in order are the vertices of a rhombus. Find its area. (Hint : Area of rhombus = (1)/(2)xx product of its diagonals)

Answer»


Answer :AB = BC = CD = DA = `sqrt(90)` , AC `ne` BD (vertices of a thombus), 72 Sq. UNITS


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