How many sides does a hexagon have?
Answer6
Hex- comes from the Greek for six; a hexagon has six sides.
Science · Facts & stats
Shape facts & stats
7 fact-checked facts about shapes and geometry, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
How many sides does an octagon have?
Answer8
Octo means eight, so an octagon has eight sides.
Going deeper
What is a polygon with nine sides called?
AnswerNonagon
A nine-sided polygon is a nonagon (or enneagon); a heptagon has seven and a decagon ten.
What do the interior angles of any quadrilateral add up to?
Answer360°
Any quadrilateral splits into two triangles, so its angles total 2 × 180° = 360°.
In what shape do honeybees build their honeycomb cells?
AnswerHexagon
Hexagons tile a surface with no gaps using little wall material, making them efficient for storing honey.
Expert level
How many faces does a dodecahedron have?
Answer12
A dodecahedron has 12 faces; a regular one has pentagon faces. An icosahedron has 20.
Which 3D shape encloses a given volume with the smallest surface area?
AnswerSphere
The sphere is the most efficient shape, which is why soap bubbles and water droplets pull into round forms.
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