Can YOU Solve This Geometric Riddle? The Answer Will Blow Your Mind!

Ever looked at a puzzle and just *knew* there was a clever solution waiting to be uncovered? Get ready, because we're about to dive into a brain-teaser that will make you feel like a genius! Imagine a stunning blue triangle, perfectly nestled inside a mysterious circle. Its sides are a precise 13, 14, and 15 units long. Your mission, should you choose to accept it, is to find the radius of that encompassing circle. Are you up for the challenge?