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Mathematics 8 Online
OpenStudy (anonymous):

What is the surface area of this rectangular prism? A. 230 cm2 B. 312 cm2 C. 460 cm2 D. 624 cm2

OpenStudy (anonymous):

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OpenStudy (blurbendy):

A=2(wl+hl+hw) where w = width l = length h = height

OpenStudy (blurbendy):

can you solve it now?

OpenStudy (anonymous):

um......i think so...13 x 6 x 8 x 2?

OpenStudy (blurbendy):

2 (8(6) + 13(6) + 13(8))

OpenStudy (blurbendy):

do what's inside the parentheses first

OpenStudy (anonymous):

that makes it even more confusing

OpenStudy (blurbendy):

you have to solve ( 8 x 6 + 13 x 6 + 13 x 8 ) first

OpenStudy (blurbendy):

can you do that?

OpenStudy (anonymous):

ok just a sec....................3032

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