Finding the angle at which two walls are put together, how long he must cut how many pieces of wood. How much cement he needs to go with the 30 yards of sand and gravel that was just delivered for a slab of a given size.

Lots of ways.

I'm a wrench monkey, BTW. I use algebra and geometry every time I want to build a car or motorcycle.

Lots of ways.

I'm a wrench monkey, BTW. I use algebra and geometry every time I want to build a car or motorcycle.