Show that the points A(-1, 1), B(3, 5) and C(-2, 6) form an isosceles triangle.

Show that the points A(-1, 1), B(2, -2) and C(8, 4) are the vertices of a right angled triangle.

Show that the point A(-5,1),B(5,5) and C(10,7) are collinear.

Show that the points A(0, 2), B(3, 7) and C(6, 12) are collinear.

Prove that the points A(7,10), B(-2,5) and C(3,-4) are the vertices of an isosceles right angled triangle.

If three points (0,0), (-3,-6) and (3,x) form an equilateral triangle then the value of x will be __- a)2 b)-3 c)-4 d)None of these

Show that the points (i) (-2, 3, 5), (1, 2, 3) and (7, 0, -1) are coolinear.

Without using pythogoras theorem,show that A(4,4),B(3,5) and C(-1,1) are the vertices of a right angled triangle.

Show that the triangle whose vertices are (1, 4), (-5, 1) and (1, -2) is isosceles.

Check whether (5,-2),(6,4) and (7,-2) are the vertices of an isosceles triangle.

Show that the triangle formed by the three points (5,-2),(6,4) and (7,-2) is isosceles.