To represent the number "11" using six matchsticks, you can arrange the matchsticks as follows: \[ \boxed{\text{I I}} \] 
Each "I" represents a matchstick standing vertically. You use two matchsticks for each "1" in the number "11". Hence, a total of six matchsticks are used to form the number eleven.



Find the perimeter of the rectangle embedded at the center. 
Find the area of the shaded triangle. 
The image shows a Venn diagram with three circles labeled Books, W.V., and Games.
What is the answer?
