Definition of Pentagon

a figure with five straight sides and angles

Examples of Pentagon in a sentence

At first I didn’t recognize the shape, but then I remembered it was a pentagon because it had five sides.  🔊

The pentagon that I drew is perfectly straight, and it has the five angles and five sides it needs.  🔊

My class was drawing three dimensional pentagons, but some were drawing four sides instead of five.  🔊

In geometry, we learned about a five-sided polygon called a pentagon.  🔊

The summation of the internal angles in the five-sided pentagon shape is 540°.  🔊

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