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August 21, 2014

August 21, 2014

Posted by **molly** on Saturday, May 21, 2011 at 6:10pm.

cuboid; 2cm 6cm 4cm

what is the surface area of the cuboid

- maths -
**Reiny**, Saturday, May 21, 2011 at 8:19pmThe surface area is made up of pairs of rectangles,

front and back, top and bottom , and the two ends.

Surface area = 2(2x6) + 2(2x4) = 2(6x4)

= 24 + 16 + 48

= 88 cm^2

- maths -
**Alana**, Saturday, May 21, 2011 at 10:33pmSA=ph + 2B

p=perimeter of base

h=height

B=area of base

SA=(16)(4) + 2(12)

SA=88

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