find the volume of a square pyramid with a base length of 9 cm and a height of 4 cm:

a. 324 cm
b. 108 cm
c. 36 cm
d. 152 cm

Please help!!

4 answers

Ms. Sue, are you online?
http://math.about.com/od/formulas/ss/surfaceareavol_5.htm

I'll be glad to check your answer.
Right.
the answer is b
am glad to help?