Line R T is a perpendicular bisector of Line segment U V. Line R T is a perpendicular bisector of line segment U V. The lines intersect at point S. Line segment U S and S V are congruent.

What is true of any triangle created by points U, V, and any point on Line R T other than S?

It will be a right triangle.
It will be an acute triangle.
It will be an equilateral triangle.
It will be an isosceles triangle.