2001 CEMC Gauss (Grade 8) Problems/Problem 15
Problem
The surface area of a cube is . The volume of this cube is
Solution 1
Let be the edge length of the cube and
be the volume of the cube. Using the surface area, we have:
must be positive because it represents a cube's edge length, so
.
We have . Plugging in
, we have:
~anabel.disher
2001 CEMC Gauss (Grade 8) (Problems • Answer Key • Resources) | ||
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CEMC Gauss (Grade 8) |