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what is the surface area of 8 inchs 3 inchs and 4 inchs?

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find the surface area of 8 inchs,3 inchs and 4 inchs

surface-area-of-a-rectangle

asked Dec 9, 2013 in GEOMETRY by homeworkhelp Mentor

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1 Answer

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Surface area of rectangle = 2ab+2bc+2ca

a = 8in, b = 3in, c = 4in

Surface area of rectangle = 2(8*3)+2(3*4)+2(4*8)

= 2*24+2*12+2*32

= 48+24+64

= 136 squre inches.

answered Dec 9, 2013 by william Mentor

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