(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

This is my own sketch of the problem. The radii are listed, and the circles are all tangent. I need to find the area of the blue part.

2. Relevant equations

3. The attempt at a solution

I've been staring at this for hours. I really have no idea where to start. I'm just looking for a push in the right direction.

Thanks for any help.

1. The problem statement, all variables and given/known data

2. Relevant equations

3. The attempt at a solution

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# Trig circle area proble.

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