NEED ANSWER ASAP! 1. Answer the two questions below. Show ALL of your work.
(a) Jimmy and Sam were building a sand castle. They decided to make it into a cone shape. After
some time, the diameter of the sand shaped cone was 12 in and the height was 7in. What is the
exact volume of the sand cone? (Show your work. Remember you can draw a picture to help you solve the
problem.)

(b) The boys kept adding sand, and ten minutes later the volume of the sand cone had increased
by 30%. What is the exact volume of the sand cone now? (Show your work. Remember you can draw a
picture to help you solve the problem.)