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Mathematics 12 Online
OpenStudy (anonymous):

What is the surface area of the figure?

OpenStudy (anonymous):

OpenStudy (anonymous):

A. 428 ft2 B. 560 ft2 C. 632 ft2 D. 888 ft2

OpenStudy (anonymous):

@welshfella

563blackghost (563blackghost):

http://www.sophia.org/tutorials/volume-and-surface-area-of-irregular-solids this can help you with finding the surface area....its a tutorial

OpenStudy (anonymous):

A = 2*(14*6) + 2*(14*6) + 2*(8*8 + (14-6)*14) = 688

OpenStudy (jdoe0001):

notice is just a bunch of rectangles stacked up to each other at the edges so get the area of all rectangles and sum them up

OpenStudy (anonymous):

@tinybookworm 688 isnt a answer choice :|

OpenStudy (anonymous):

My bad. I will look at my calculations again

OpenStudy (anonymous):

okay & @jdoe0001 how would I do that ?

OpenStudy (anonymous):

Oh, it should be 4*(14*6) + 2*(14*14) - 2*(8*6) = 632

OpenStudy (anonymous):

Thanks

OpenStudy (anonymous):

You're welcome

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