Which statement is true? a)the altitude drawn to the leg of a right triangle forms two triangles that are similar to each other and to the given triangle. b)the altitude drawn to the hypotenuse of a right triangle forms two triangles that are similar to each other and to the given triangle. c)the midsegment drawn to the hypotenuse of a right triangle forms two triangles that are similar to each other and to the given triangle. d)the altitude drawn to the hypotenuse of an equilateral triangle forms two triangles that are similar to each other and to the given triangle.