Question

7. The sum of the perimeters of two circles which touch each other externally is 176 cm. What is the ratio of the radius of the larger circle to that of the smaller circle, if the sum of squares of the radii of the circles (both in cms) is 400? (A) 7:8 (B) 8:7 (C) 3:4 (D) 4:3​

Answer 1

Answer:

c is right answer I think it's better answer