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15-08-2017
Mathematics

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The surface area of a rectangular prism is 208 cm2. Two of the dimensions are 2cm and 10cm. Find the measure of the other dimension.

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kphung76127 kphung76127

15-08-2017

Surface area= 2(lw+lh+wh)

Plug in values

2(2*10+2*x+10*x)
2(20+2x+10x)
2(20+12x)
40+24x

40+24x=208
24x=168
x=7

Final answer: 7 cm

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