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Mathematics 9 Online
OpenStudy (anonymous):

Maria has a box that is in the shape of a rectangular prism. Its dimensions are 8 in x 6 in x 4 in. Find the amount of paper that Maria needs to cover her box. I did the math and the research and the answer is 192, but this is not a choice on the test.

OpenStudy (anonymous):

192

OpenStudy (anonymous):

your welcome

OpenStudy (anonymous):

Ezra, we're not to directly give them the answer. We help lead them to the answer and have them give it to you.

OpenStudy (anonymous):

ok just signed up sorrry

OpenStudy (anonymous):

This is okay.

OpenStudy (anonymous):

What are your answer choices @MathHomeworkHelp

OpenStudy (anonymous):

My answer choices are 210, 208, 18, 104 @Duck.

OpenStudy (anonymous):

Okay, I'll try to help but bear with me I am not the best drawer.

OpenStudy (anonymous):

|dw:1417544513146:dw|

OpenStudy (anonymous):

So we have this rectangle.

OpenStudy (anonymous):

The formula for surface area is, 2lw + 2 lh+ 2wh where l = length, h = height and w = width.

OpenStudy (anonymous):

So let's plug this in.

OpenStudy (anonymous):

lol your not bad at drawing

OpenStudy (anonymous):

2(8*6) + 2(8*4) + 2(4*6)

OpenStudy (anonymous):

Thank you.

OpenStudy (anonymous):

So, these our the measurements.

OpenStudy (anonymous):

Can you figure out what those equal?

OpenStudy (anonymous):

208?

OpenStudy (anonymous):

Great job. That's correct :)

OpenStudy (anonymous):

Thank you! @Duck.

OpenStudy (anonymous):

Glad I could help.

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