The radius of the two circular fields is in the ratio 3: 5 the area of the first field is what percent less than the area of the second? July 15, 2019 – by admin The radius of the two circular fields is in the ratio 3: 5 the area of the first field is what percent less than the area of the second? A. 50% B. 60% C. 40%D. 64%