Draw a segment. Label the endpoints A and B.[list=1][*]Rotate segment AB clockwise around center B by 90 degrees. Label the new endpoint A'.[br][br][br][/*][*]Use the Polygon tool to draw triangle ABA'. [br][br][br][br][/*][*]What kind of triangle did you draw? What other properties do you notice in the figure? Explain your reasoning.[/*][/list]