Question 1962
Area of circle = pi*{{{r^2}}}

Area = 12^2*pi
Area = 144*pi

2 slices is a quarter of the pizza (2/8 --> 1/4).

So, a quarter of 144pi is 38*pi. This is the answer.

If you need a numeric answer then 38*3.1416 = whatever :-)
 

jon