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9.2.2 1. Find the measure of the central angle of a regular octagon. degrees 9.2.2 Equilateral Triangle = 2. Match the measure of a central angle with the correct regular polygon below. Pentagon = Hexagon = Square = 90o ? 120o ? 72o ? 60o ? 3. Find the apothem of the regular hexagon below if it has a side length of 6 cm. Round to the nearest tenth. 9.2.2 apothem = 9.2.2 4. Find the area of a regular pentagon if it has a side length of 7 inches and an apothem of length 4.5 inches. (nearest hundredth) square inches 9.2.2 5. Find the apothem of a regular quadrilateral with side lengths 10 inches. inches 9.2.2 6. Find the apothem of a regular nonagon with side lengths 12 ft. Round to the nearest tenth. ft 9.2.2 7. Find the area of a regular pentagon with side lengths 6 ft. (nearest tenth) Area = ft2 9.2.2 8. Find the apothem of a regular hexagon with side lengths 20 ft. Round to the nearest tenth. ft 9.2.2 9. Find the area of a regular hexagon with side lengths 20 ft. Round to the nearest tenth. Area = ft2 9.2.2 10. Find the area of a regular triangle if it has a side length of 8 inches and an apothem of length 2.3 inches. in2 |