📘 algebra, geometry, physics

1. **Calculate the length of the rod** The rod forms a right triangle with the wall and the ground.

1. Problem 1: Solve $\frac{m}{2}+\frac{m}{3}+3=2+\frac{m}{6}$.\n Combine the $m$ terms on the left: $\frac{m}{2}+\frac{m}{3}=\frac{5m}{6}$.\n