2021 AMC 10A Problems/Problem 19
Problem 19
The area of the region bounded by the graph ofis , where and are integers. What is ?
Solution 1
This is what the diagram looks like: Now, the area of the shaded region is just a square with side length with four semicircles of radius . The area is . The answer is which is ~ Bryguy
https://artofproblemsolving.com/wiki/index.php/File:Image_2021-02-11_111327.png (someone please help link file thanks)
Video Solution (Using absolute value properties to graph)
~ pi_is_3.14