Problem: square a has an area of 65 square centimeters . square b has a perimeter of 16 centimeters . if square b is placed within square a and a random point is chosen within square a , what is the probability the point is not within square b ? 
Options: a ) 0.25 , b ) 0.5 , c ) 0.75 , d ) 0.1 , e ) 0.3
c