Decagons have 10 lines of symmetry i dont know where
Yes 2 ten sided regular decagons can be similar or congruent to each other
There are decagons which will tessellate.
They are decagons.
3o decagons
There are a number of polygons that are similar to it but if you mean things that look like decagons than nonagon, undecagon, dodecagon, and octagon.
Nonagon is a word that begins with the prefix "non" and means a polygon with nine sides.
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it is part of geometry
A decagonal prism has 12 faces.
all decagons have 1440 degrees
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