Aregular polygon has a perimeter of 36 inches. each side is exactly 6 inches long. which figure does this discribe?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

Ineed me i stuck and i don’t want to get it wrong