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Shape whose regular version has 144-degree internal angles
Answer for the clue "Shape whose regular version has 144-degree internal angles ", 7 letters:
decagon
Alternative clues for the word decagon
Word definitions for decagon in dictionaries
Wikipedia
Word definitions in Wikipedia
In geometry , a decagon is a ten-sided polygon or 10-gon.
WordNet
Word definitions in WordNet
n. a polygon with 10 sides and 10 angles
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
early 17c., from Modern Latin decagonum , from Greek dekagonon , from deka "ten" (see ten ) + gonia "corner, angle" (see knee (n.)).
Usage examples of decagon.
Sir Ambrose Plessington, that Proteus, that decagon with all of his mysterious side-facets, assumed yet another guise.
And, of course, that if an equilateral pentagon be inscribed in a circle, the square on the side of the pentagon is equal to the squares on the side of the hexagon and on that of the decagon inscribed in the same circle!
In the next, a true oddity, reading matter caught not in the facets of decagons but on supple wry-grass paper, lovingly handmade, bound with cor-tail thread, surrounded by covers fashioned from the speckled hides of razor-raptors, dyed hin-demuth, pebbled searay, even, astonishingly, perwillon.
Out of this fountained twenty-four small decagons, twelve each of red and black, suspended in the beam of the light, while the two contestants put their left hands into the edge of the holographic spiral.