the radius of the two circular fields is in the ratio 3 : 10 the area of the first field is what percent less than the area of the second ?
"r = 3 ï € r 2 = 9 r = 10 ï € r 2 = 100 100 ï € â € “ 9 ï € = 91 100 - - - - ? = > 91 % . answer : c"
subtract(power(10, const_2), power(3, const_2))