Susie has a poster that is 2 feet by 4 feet. She had it reduced to 3 inches by 6 inches. What is the scale factor she used?

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn. if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.