Prove that the points `(0,\ 0),\ \ (5,\ 5)` and `(-5,\ 5)` are the vertices of a right isosceles triangle.

Prove that the points (3, 0), (6, 4) and (-1, 3) are the vertices of a right angled isosceles triangle.

Prove that the points (3, 0), (6, 4) and (-1, 3) are the vertices of a right angled isosceles triangle.

Prove that the points (-3,\ 0),\ (1,\ -3) and (4,\ 1) are the vertices of an isosceles right-angled triangle. Find the area of this triangle.

Prove that the points (3,0),(6,4) and (-1,3) are the vertices of a right angled isosceles triangle.

Calculating the angle of the triangle, prove that the points A(3, 4, -1) , B(1, 5, 1) and C(1, 2, -2) are the vertices of an isosceles triangle.

Show that A (0,0) , B(5,5) and C (-5,5) are vertices of a right angled isosceles triangles.

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

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

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

Show that the points (7, 10), (-2, 5), and (3, -4) are the vertices of an isosceles right triangle.