Rosa works in an office building with many floors. from her office, she goes down 2 floors for a meeting. then, she goes up 8 floors to have lunch. after lunch, she goes down 13 floors to the first floor. what floor is rosa's office on?

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?