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Sonic Geometry: Difference between revisions
→Pentagon 540 Degrees
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==Pentagon 540 Degrees== | ==Pentagon 540 Degrees== | ||
[[File:Regular polygon 5 annotated.svg|thumb|Regular pentagon with annotation.]] | |||
In geometry, a pentagon (from the Greek πέντε pente and γωνία gonia, meaning five and angle) is any five-sided polygon or 5-gon. The sum of the internal angles in a simple pentagon is 540°. | In geometry, a pentagon (from the Greek πέντε pente and γωνία gonia, meaning five and angle) is any five-sided polygon or 5-gon. The sum of the internal angles in a simple pentagon is 540°. | ||