In geometry, a pentagon (from Greek πέντε (pente) ‘five’ and γωνία (gonia) ‘angle’) is any five-sided polygon or 5-gon. The sum of the internal angles in a simple pentagon is 540°.
The falls occur as Denny Creek emerges from a narrow canyon, spreading across a broad granite shelf and cascading 29 feet in undulating sheets of water. At the base of the cascade the creek veils out further, sometimes splitting into as many as three distinct channels, and plunging 142 feet into a narrower and deeper section of the canyon than above.