Name the type of triangle formed by the points A(-5, 6), B(-4, -2) and C(7, 5).
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Show that the points (7, 10), (-2, 5) and (3, -4) are the vertices of an isosceles right triangle.
Using distance formula, show that the points A(3, 1), B(6, 4) and C(8, 6) are collinear.
Check whether the points (5, -2), (6, 4) and (7, -2) are the vertices of an isosceles triangle.