Allied & ICAR Exam Bank • ALLIED_2581 NAT • 2 Marks

Section 8: General Aptitude

Analytical & Spatial Aptitude

Subtopic: Spatial Reasoning & 3D Representations

Question Statement:

What is the order of the full symmetry group (dihedral group D_6, including both rotations and reflections) of a regular hexagon?

Answer Key:

12

Step-by-Step Solution & Explanation

A regular n-gon has n rotations and n reflections. For n = 6, the order of D_6 is 2 * 6 = 12.
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