Show that the points P (0, 5), Q(5, 10) and R(6, 3) are the vertices of an isosecles triangle.

Show that the points (-4,-4,-1),(0,2,3) and (4,6,-3) are the vertices of an isosceles triangle.

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

Show that the points (7, 10), (-2, 5), and (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.

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

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

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

Without using the Pythagoras theorem, show that the points (4, 4) , (3, 5) and (1, 1) are the vertices of a right angled triangle.