Find the volume. Use 3.14 as pi

1. water storage tank is shaped like a circular cylinder with half of a sphere at each end. what is the volume of the tank if the cylindrical section is 100cm long with a 40cm diamerter. use 3.14 (pi) Round the answer to two decimal places

2. 15 foot ladder leans against the barn, the bolltom of the ladder is 7ft from the building. how high is the top of the ladder. round to 2 decimal places.

please show me how to get these answers with the steps.

I can not get the hang of Geometry, I have never had the honor to have it in school

thanks in advance