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Mathematics 22 Online
OpenStudy (anonymous):

What is the surface area of the prism? A. 82 yd2 B. 90 yd2 C. 96 yd2 D. 108 yd2

OpenStudy (anonymous):

OpenStudy (compassionate):

Do you know the formula for the surface area of a prism?

OpenStudy (anonymous):

no

OpenStudy (compassionate):

SA = wh + lw + lh + ls

OpenStudy (kainui):

You would be a fool to memorize the formula for surface area of a prism. It's too much effort for something that has only a piddly amount of help. Just consider for a second that surface area just means what is the area of every face of the object all added up. Start out by counting all the faces to make sure you have them all. Area is just length times width. Find the area of each individual face and then add them all up, and that total surface area is the surface area. I'll help you out, first tell me how many faces it has and try to see if you can find the area of all the faces. @Roc07or

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