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The sum of the area of all the faces of a solid cube is 54cm^2. What is the volume of the cube??

 Oct 3, 2015

Best Answer 

 #1
avatar+1832 
+5

\(A = 6x^2\)

\(6x^2 = 54 cm^2 \)

\(x^2 = 9 \)

\(x=3 cm \)

 

so the length of the cube is 3 cm . 

 

\(v = x^3 \)

\(v = 3^3 \)

\(v = 27 cm^3 \)

.
 Oct 3, 2015
 #1
avatar+1832 
+5
Best Answer

\(A = 6x^2\)

\(6x^2 = 54 cm^2 \)

\(x^2 = 9 \)

\(x=3 cm \)

 

so the length of the cube is 3 cm . 

 

\(v = x^3 \)

\(v = 3^3 \)

\(v = 27 cm^3 \)

xvxvxv Oct 3, 2015
 #2
avatar+10441 
+5

Hallo

laugh

 Oct 3, 2015

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