Geometry worksheet with problems to find the area of regular polygons, including hexagon, heptagon, pentagon, octagon, and another pentagon, with given side lengths and apothems.

A worksheet titled "Geometry Worksheet 9-5" showing five problems to find the area of regular polygons, with diagrams and calculations for each. The first problem includes a hexagon with side length 16 and apothem 8√3, the second a heptagon with apothem 7, the third a pentagon with side length 5, the fourth an octagon with perimeter 80, and the fifth a pentagon with side length 12. Answers are provided for the first three problems.