What is regular shape pentagon?
What is regular shape pentagon? Internal angle (degrees) 108° (if equiangular, including regular) In geometry, a pentagon (from the Greek πέντε pente meaning five and γωνία gonia meaning angle) is any five-sided polygon or 5-gon. The sum of the internal angles in a simple pentagon is 540°. A pentagon may be simple or self-intersecting. What […]