Question

what is the surface area of a rectangular prism with the three dimensions of 20, 20, and 5!!!

Answer 1

if l b and h are 3 sides, then surface area = 2(lb+bh+lh)

Answer 2

that doesn't help

Answer 3

l b and h are 3 dimensions, then i gave you the formula, now you substitute the values, do a bit of addition and multiplication, and enjoy!!!

Answer 4

i don't know what the letters mean

Answer 5

l = length, b=breadth and h=height. they are the 3 sides or dimensions as you may wish to call it, of the cuboid or the rectangular prism.

Answer 6

whats a breadth?

Answer 7

seriously can you please just give me the formula with the #'s plugged in?