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
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OpenStudy (anonymous):
OpenStudy (adi3):
where is the figure
OpenStudy (adi3):
;)
OpenStudy (adi3):
not yet
OpenStudy (adi3):
i don't know. I suck in geometry.
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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
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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
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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?
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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?