Which two properties together make a polygon regular?
AConvex and simple
BEqual sides and angles
CCyclic and concave
DRectilinear and simple
Answer & Solution
Correct answer: B. Equal sides and angles
1. Equilateral means all sides are equal.
2. Equiangular means all corner angles are equal.
3. A regular polygon has both, whereas the other pairs describe shape only and do not force equal sides and angles.
_Source: Wikipedia, Polygon, section Equality and symmetry_
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