Regular Hexagon (6 sides) — free printable diagram

How many sides does a hexagon have?

A hexagon is a six-sided shape — a polygon with 6 sides and 6 corners. A regular hexagon has 6 equal sides and 6 equal angles of 120°.

Sides

6

Vertices (corners)

6

Interior angles add up to

720°

Each interior angle (regular)

120°

Each exterior angle (regular)

60°

Diagonals

9

Lines of symmetry (regular)

6

Also called

six-sided figure, six-sided polygon

• The interior angles of any hexagon add up to (6 − 2) × 180° = 720°.
• A regular hexagon has every angle the same, so each one measures 720° ÷ 6 = 120°.
• A hexagon has 9 diagonals — 6 × (6 − 3) ÷ 2.