Answer:
17.5 m rounded to the nearest tenth.
Explanation:
Suppose the circle A1 is the image circle of the circle A by the dilation of factor 3.6
then the radius r1 of the circle A1 = 3.6 × (the radius r of the circle A)
which means
r1 = 3.6 × (9.7÷2) = 17.46