Permutations & Combinations
Counting Geometric Configurations
Grade 11
Question:
<p>The number of ways of selecting two skew face diagonals from the edges and face diagonals of a cube is equal to</p>
Step-by-Step Solution
Key Concept: Understand skew lines and count pairs of face diagonals that are skew
<p>A cube has 12 face diagonals total. Skew lines are lines that do not intersect and are not parallel. The number of ways to select two skew face diagonals is 24.</p>
Correct Answer: Q