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Name______________________________ Period_________ Regular Polygons

Name______________________________ Period_________ Regular Polygons . Directions: Solve and correctly round to the nearest tenth. 1. Find the area of a regular octagon with a side length of 12 units and an apothem of 14.5 units. Show all of your work.

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Name______________________________ Period_________ Regular Polygons

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  1. Name______________________________ Period_________ Regular Polygons Directions: Solve and correctly round to the nearest tenth. 1. Find the area of a regular octagon with a side length of 12 units and an apothem of 14.5 units. Show all of your work. 2. Austin City Limits decided to build a regular pentagon shaped stage for next year. The length of each side is 5 yards and the length of the apothem is 5.7 yards. Find the area of the stage floor to the nearest tenth. 3. Find the area of a regular hexagon with an apothem of 5mm and a side length of 20mm. 4. The area of a regular decagon is 225 cm2. If the apothem is 5 cm, what is the perimeter of the figure. 5. There is a regular hexagon that has a side length of 0.7 inches and an area of 21 inches2. Find the apothem.

  2. 6. A regular dodecagon has an area of 37.5 mm2 and an apothem of 2.5mm. Find the length of one side of the dodecagon. 7. If a regular octagon has a side length of 11 feet, determine the area. 8. A regular quadrilateral has an apothem of 5 inches. Find the area of the quadrilateral. 300 cm x 9. Determine the area of the pentagon.

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