Click on the problem you want help on 8). (4 points)

Answer: ____________
9). (4 points)
What is the area of the shaded region formed by connecting midpoints of the sides of the rectangle?
Answer: ____________

10). (4 points) [Extra credit] What is the starting number? Answer: ____________

11). (4 points) [Extra credit] Draw a sketch that shows how these six pieces could be put together to form a square.