Question

What is the surface area of a rectangular prism with length 15 m, width 9 m, and height 6 m?

Answer 1

there are 6 sides all rectangles
2 of them have area 15*9
2 .. .................... 15*6
2 ....................... 9*6
do the multiplications and add up the results

Answer 2

i dont understand

Answer 3

i'll draw it

Answer 4

k