I agree........Algebra and it's fractions helped me tremendously throughout my life. It was the math beyond such as Geometry that was my downfall and if my mom was still alive today, after punishing me severely for flunking Geo., I would say to her "See mom, I was right, I never needed it........"
Yes you did, you just tuned it out.
Everyone but a slug sooner or later needs to find the center of a circle.
Or better yet, the center of a large partial arc of a circle.
Anyone can do it, once it's explained.