- A
- Bn − 2
- Cn
- Dn − 3
Step-by-Step Solution
From one vertex you cannot join to itself or its two neighbours, leaving n − 3 vertices. Table: 4 → 1, 5 → 2, 6 → 3 ✓.
Answer: D) n − 3
Diagonals are drawn from ONE vertex of different polygons. Which rule gives the number of diagonals from one vertex of an n-sided polygon?
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