Multiple choice general knowledge math & puzzles

The Thirteen Lines join to form a _________ shape

  1. Tridecagon

  2. Trinonagon

  3. Dodecahedron.

  4. Triskaidecagon
Reveal answer Fill a bubble to check yourself
A,D Correct answer
Explanation

A 13-sided polygon can be called a 'tridecagon' or 'triskaidecagon' - both terms are mathematically correct. 'Tridecagon' uses the prefix 'tri-' for three and 'decagon' for ten, while 'triskaidecagon' uses Greek roots 'treiskaideka' (thirteen) and 'gonia' (angle). 'Trinonagon' is not a recognized term, and 'dodecahedron' refers to a 3D solid with 12 faces, not a 2D 13-sided polygon.

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