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Mathematics 6 Online
OpenStudy (anonymous):

if asked to find area (in ft) of 10L, 5W, 8D, is the formula 2LW + 2LD+2WD? I got 340 sf

jimthompson5910 (jim_thompson5910):

assuming the length is 10, the width is 5 and the depth is 8 and if this is a rectangular prism, then the final answer of 340 square feet is correct, so nice work (assuming those assumptions are correct)

OpenStudy (anonymous):

problem does not specify the shape, just find area and volume, given those dimensions.

jimthompson5910 (jim_thompson5910):

hmm that's odd

jimthompson5910 (jim_thompson5910):

so it doesn't say if it's a rectangular prism?

OpenStudy (anonymous):

no. just find area. and then find volume.

OpenStudy (anonymous):

so area of a rectangle is l x w, but if a depth is given, that would be a factor in determining the area?

jimthompson5910 (jim_thompson5910):

yes you use all 3 dimensions to find the surface area

OpenStudy (anonymous):

would that still be in square ft though?

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