Question

Please solve this question​

Answer 1

I hope this will be helpful

Answer 2

Answer:

${( \frac{6}{5} )}^{2} = {( \frac{r + 5}{r} )}^{2} \\ \frac{6}{5} = \frac{r + 5}{r} \\ 6r = 5r + 25 \\ r = 25$

hope it helps you....