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find the perimeter of a triangle whose vertices are find the area of a triangle whose vertices are find the area of a triangle whose vertices are 1 1 find the area of a triangle whose vertices are 3 0 7 0 and 84 find the area of a triangle whose vertices are 38 42 and 51 find the area of a triangle whose vertices are 2 3 find the area of a triangle whose vertices are 1 0 6 0 and 43 find the perimeter of triangle whose sides are
