যিবোৰ বহুভুজৰ বাহু আৰু কোণবোৰ সমান সমান মাপৰ, তেনেবোৰ বহুভূজকেই সমবহুভুজ (regular polygon) বোলা হয়। এয়া উত্তল (convex) বা তৰা আকৃতিৰো (star) হ’ব পাৰে।

উত্তল সমতলৰ সমবহুভূজ
সমবহুভুজ
বাহু আৰু দৈৰ্ঘ্য	n
Schläfli symbol	{n}
Coxeter–Dynkin diagram
Symmetry group	Dn, order 2n
Dual polygon	Self-dual
Area (with t=edge length)	${\displaystyle A={\tfrac {1}{4))nt^{2}\cot {\frac {\pi }{n))}$
Internal angle	${\displaystyle \left(1-{\frac {2}{n))\right)\times 180^{\circ ))$
Internal angle sum	${\displaystyle \left(n-2\right)\times 180^{\circ ))$
Properties	convex, cyclic, equilateral, isogonal, isotoxal

সামন্তৰিক ত্ৰিভুজ	বৰ্গ	পঞ্চভুজ	ষড়ভুজ	সপ্তভুজ	অষ্ঠভুজ	নৱভুজ	দশভুজ	Hendecagon
Dodecagon	Tridecagon	Tetradecagon	Pentadecagon	Hexadecagon	Heptadecagon	Octadecagon	Enneadecagon	Icosagon
Triacontagon	Triacontadigon	Tetracontagon	Pentacontagon	Hexacontagon	Heptacontagon	Octacontagon	Enneacontagon	Hectogon

• Regular Polygon description With interactive animation
• Incircle of a Regular Polygon With interactive animation
• Area of a Regular Polygon Three different formulae, with interactive animation
• Renaissance artists' constructions of regular polygonsat