Why is the lateral area of a cone is pi*r*sqrt(r^2+h^2)?

Geometry proof! Learn why the lateral area of a cone is pi*r*sqrt(r^2+h^2). This is a must-know topic for your geometry class! Shop my math t-shirts & hoodies on Amazon: 👉 https://amzn.to/3qBeuw6 ----------------------------- I help students master the basics of math. You can show your support and help me create even better content by becoming a patron on Patreon 👉 https://www.patreon.com/blackpenredpen. Every bit of support means the world to me and motivates me to keep bringing you the best math lessons! Thank you! ----------------------------- #math #algebra #mathbasics