how do you find the surface of a rectangluar prism??????? need help

6 answers

http://www.mathsisfun.com/geometry/cuboids-rectangular-prisms.html
what is c^2 is A^2=7 and B^2=4
what is c^2 if A^2=7 and b^2=4
c^2 = 49 + 16
c^2 = 65
c = 8.06
could a right triangle have side a =2 side b=4 side c=6
Use the Pythagorean theorem and find out.