Which term is a three-sided polygon?

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Multiple Choice

Which term is a three-sided polygon?

Explanation:
A triangle is a three-sided polygon. A polygon is any closed figure with straight sides, and a triangle has exactly three sides, so it fits both ideas at once. An open figure isn’t closed, so it isn’t a polygon, and an angle is not a polygon at all—it's just two rays that meet at a point. The term that names the specific three-sided polygon is triangle.

A triangle is a three-sided polygon. A polygon is any closed figure with straight sides, and a triangle has exactly three sides, so it fits both ideas at once. An open figure isn’t closed, so it isn’t a polygon, and an angle is not a polygon at all—it's just two rays that meet at a point. The term that names the specific three-sided polygon is triangle.

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