Tree thinning I'm guessing. I had just learned this recently but I could always possibly be wrong.
Setting good examples, keeping everything in order, making sure every thing stays in line, and provide work for the teachers to teach the students
Jin Dynasty which was in China and for east africa I cant find or remember anything from their the closest is the Islamic empire.
I think it is a Carpenter absolutely
Answer:Formula for surface area of a cone: S=πrl + πr^2. Solve for l. Then find l when S=283cm^2 and r =5cm.
Explanation: