Ohio Assessments for Educators (OAE) Mathematics Practice Exam

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Which polygon has the highest number of sides among the following options?

Pentagon
Hexagon
Decagon
Dodecagon

The correct answer is: Dodecagon

The dodecagon is a polygon that has 12 sides, which makes it the polygon with the highest number of sides among the options provided. A pentagon has 5 sides, a hexagon has 6 sides, and a decagon has 10 sides. To better understand this, consider the definitions of each polygon: the pentagon, with its 5 sides, is often recognized as a common geometric shape, such as in architecture or design. The hexagon, known for its six sides, frequently appears in nature, such as in the structure of honeycomb. The decagon, with 10 sides, does not appear as commonly in everyday contexts but can be applied in certain geometric constructions. The dodecagon, having 12 sides, represents a more complex polygon that is less commonly encountered but still holds significance in various mathematical and architectural applications. Thus, the dodecagon stands out as the correct answer due to its greater number of sides compared to the other polygons listed.