question_answer

If the length of the tangent from any point on the circle \[{{(x-3)}^{2}}+{{(y+2)}^{2}}=5{{r}^{2}}\]to the circle \[{{(x-3)}^{2}}+{{(y+2)}^{2}}={{r}^{2}}\] 16 units, if the area between the two circles in sq. units is R, then \[\frac{R}{25\pi }=\]

Answer:

(10.24)