## 12 Comments

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I wrote "Polygon has a lot of angles." and didn't accept. Why here need the article "the" and in other case such "square" or "triangle" do not accept the article "the"? Thank you!

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I wrote "Polygon has a lot of angles." and didn't accept. Why here need the article "the" and in other case such "square" or "triangle" do not accept the article "the"? Thank you!

"Το τρίγωνο έχει τρεις γωνίες. The triangle has three angles.

Το ορθογώνιο δεν έχει τρεις γωνίες. The rectangle does not have three angles.

Το τετράγωνο είναι ένα σχήμα. The square is a shape.

These all have "the" because they show a specific item. In other cases you may not need "the".

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μια, δυο, πολλές. A closed figure with only one or two angles would not be a polygon. But I haven't seen any lately. Curved sides aren't permitted.