Find the RED area! – Geometry problem

In this math video I (Susanne) explain how to find the area of the circular ring (annulus). We use the Pythagorean Theorem to find an equation with the variables x and y. Mathematics explained. 00:00 Intro – Geometry problem 0:22 Find the area 3:12 Pythagorean Theorem 6:13 See you later! *My German Math Channel:* ​⁠ @MathemaTrick *Find me on Instagram:* https://www.instagram.com/mathema_trick *Buy Me a Cup of Hot Chocolate?* ☕🍫 Creating these math tutorials takes a lot of brainpower and a warm cup of hot chocolate always helps! If you'd like to support my work and keep the tutorials coming, consider treating me to a virtual cup. 👉 https://paypal.me/MathQueenSusanne Thank you so much for your kindness! It means the world to me!