Can You Calculate the Length of the Belt Around These 2 Wheels? | 99.7% of Students FAILED

Check out our website 👇 https://pirush.com Two wheels, radius 5 and radius 1, their centers 8 apart, and a tight belt around both. How long is the belt? Is it A, B, C or D? The straight parts come from one right triangle, and the curved parts from one famous angle.