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Mathematics 20 Online
OpenStudy (anonymous):

what is the surface area of the given figure? 1008 1728 1392 1216

OpenStudy (anonymous):

OpenStudy (anonymous):

whats the measurements lwh of each side

OpenStudy (kc_kennylau):

Just add up the areas of each face

OpenStudy (kc_kennylau):

Area of rectangle is width*length Area of triangle is 0.5*base*height

OpenStudy (anonymous):

297???

OpenStudy (kc_kennylau):

Nope, how did you get 297?

OpenStudy (anonymous):

is it 159

OpenStudy (anonymous):

sorry im looking at the wrong thing

OpenStudy (anonymous):

no give me a sec ill figure it out

OpenStudy (kc_kennylau):

@Alex_berry The answer isn't the most important thing, the most important thing is that you know the reason for your failure

OpenStudy (kc_kennylau):

Tell me how you got 297 and how you got 159

OpenStudy (anonymous):

no i was looking at the wrong numbers

OpenStudy (anonymous):

the answer is 1856

OpenStudy (anonymous):

the sum of all faces

OpenStudy (anonymous):

no never mind

OpenStudy (anonymous):

it is 1728 math error

OpenStudy (kc_kennylau):

The answer is not important

OpenStudy (kc_kennylau):

You need to know why you are wrong

OpenStudy (kc_kennylau):

Or it defeats the purpose of having this question

OpenStudy (anonymous):

i got it its 1728

OpenStudy (kc_kennylau):

You sure you got it

OpenStudy (kc_kennylau):

Glad to hear that

OpenStudy (anonymous):

thanks for the help

OpenStudy (anonymous):

yup

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