1990 AHSME Problems/Problem 10
Problem
An wooden cube is formed by gluing together unit cubes. What is the greatest number of unit cubes that can be seen from a single point?
Solution
The best angle for cube viewing is centered on the corner, meaning three of the six faces are visible. So, therefore, the answer is just counting the number of cubes on the three faces, which is for the inside parts of the faces, plus for the edges, plus for the single shared cube in the corner, giving a total of or
See also
1990 AHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 9 |
Followed by Problem 11 | |
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