The area of square ABCD above is 12. The shaded region is the intersection of the square and a circular region centered at C. What is the area of the shaded region?
Choose the correct choice from the following answers:
A) 18−9∗π
B) 12−3∗π
C) 9+9/4∗π
D) 9+9/2∗π
E) 9/2−9/4∗π
=Square - Quarter circle   =12- pi*12/4   =12- pi*3   ANSWER:12−3∗π
<result>B</result>
The area of square ABCD above is 12. The shaded region is the intersection of the square and a circular region centered at C. What is the area of the shaded region?