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The surface area of a cube is 54cm2 what is the area of one face

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the surface area of a cube is 54cm2

what is the area of one face

what is the length of one edge of the cube.

asked Feb 17, 2014 in GEOMETRY by linda Scholar
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1 Answer

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Surface area of cube  6a^2 = 54cm^2

6a^2 = 54

Divide to each side by 6.

a^2 = 9

a = 3

Length of edge of the cube = 3cm

Area of one face = a^2 = 3^2 = 9 cm^2

 

answered Feb 17, 2014 by dozey Mentor

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