the radius of the two circular fields is in the ratio 5 : 4 the area of the first field is what percent greater than the area of the second ?
"r = 5 ï € r 2 = 25 r = 4 ï € r 2 = 16 25 ï € â € “ 9 ï € 100 - - - - ? = > 36 % . answer : d"
subtract(power(4, const_2), power(5, const_2))