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Mathematics 9 Online
OpenStudy (anonymous):

What is the surface area of the figure? A. 204 cm3 B. 360 cm3 C. 300 cm3 D. 408 cm3

OpenStudy (anonymous):

OpenStudy (adi3):

where is the figure

OpenStudy (adi3):

;)

OpenStudy (adi3):

not yet

OpenStudy (adi3):

i don't know. I suck in geometry.

OpenStudy (adi3):

sorry

OpenStudy (anonymous):

Its alright

OpenStudy (pounce0129):

you could split it like the picture i attached, then find the surface area of both shapes and add them together

OpenStudy (anonymous):

Is it...C?

OpenStudy (adi3):

how did u do it

OpenStudy (anonymous):

i did what he/she told me to do

OpenStudy (kendricklamar2014):

You want to find the Surface Area of a Square and a Rectangle.

OpenStudy (kendricklamar2014):

Surface Area of a Cube: \[6a^2\]

OpenStudy (kendricklamar2014):

Surface Area of a Rectangular Prism: \[2ab + 2bc + 2ac\]

OpenStudy (kendricklamar2014):

So now we have to substitute what we know @vicyoria15

OpenStudy (kendricklamar2014):

Top = A Bottom: C Front: B

OpenStudy (kendricklamar2014):

Can you substitute what you know @vicyoria15

OpenStudy (anonymous):

Yes let me try

OpenStudy (kendricklamar2014):

\[:)\]

OpenStudy (anonymous):

I think its B. Did i do it right?

OpenStudy (kendricklamar2014):

Can you show me your work @vicyoria15

OpenStudy (pounce0129):

are you sure those are the correct answer choices, i got something completely different from those

OpenStudy (anonymous):

Yeah it is, i got it right soo idk maybe its a glitch in my test?

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