ISI 2021 | PCB Mathematics | Question: 4

Question

In the figure below, there are three circles touching each other externally and also touching the line below. Let $r_{1}, r_{2}$ and $r_{3}$ be the radii of the three circles as shown in the figure. If $r_{1}=25$ and $r_{3}=9$, then find $r_{2}$.

Answer 1

Here datailed solution of above problem.

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