Use the formula S equals 2 left-parenthesis l w right-parenthesis plus 2 left-parenthesis l h right-parenthesis plus 2 left-parenthesis w h right-parenthesisto find the surface area of a rectangular prism with the following dimensions:
length = 2 cm
width = 3 cm
height = 4 cm
(1 point)
S equals 21 square centimeters
S equals 48 square centimeters
S equals 52 square centimeters
S equals 96 square centimeters
nswers:
1:C
2:D
3:B
4:C
5:A
6:D
7:C
8:C
9:B
10:A, B, D
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is this right
Use the formula S equals 2 left-parenthesis l w right-parenthesis plus 2 left-parenthesis l h right-parenthesis plus 2 left-parenthesis w h right-parenthesisto find the surface area of a rectangular prism with the following dimensions:
length = 1 m
width = 10 m
height = 5 m
A. S equals 32 square meters
B. S equals 65 square meters
C. S equals 100 square meters
D. S equals 130 square meters
what are all those words, words, words? This is math, right?
S = 2(lw)+2(lh)+2(wh)
and even that has unnecessary parentheses. I'd use
S = 2lw+2lh+2rh
or
S = 2(lw+lh+wh)
In any case, what's the problem? You have values for l,w,h; use them. In your original formula, that would be
S = 2(2*3) + 2(2*4) + 2(3*4)
I assume you can proceed from there ...