Find the central angle for a square.
Find the central angle for a regular pentagon.
Find the central angle for a regular hexagon.
Find the central angle for a regular heptagon.
Find the central angle for a regular octagon.
Find the central angle for a regular nonagon.
Find the central angle for a regular decagon.
Find the central angle for a regular dodecagon.
Find the area of a regular octagon with an apothem of 4.8 cm and a side length of 4 cm.
Find the area of a regular decagon with a side length of 24 in and an apothem of 12 in.
Find the area of a regular hexagon with a side length of 23.1 m and an apothem of 20 m.
Find the area of a regular pentagon with an apothem of 24 ft and a radius of 29.67 ft.
Find the area of a regular dodecagon with a side length of 6 in and a radius of 11.59 in.
The area of a regular pentagon is 557.43 ft2 and the length of one side is 18 ft. Find the length of the apothem.
The area of a regular decagon is 123.11 cm2 and the length of one side is 4 cm. Find the length of the apothem.
The area of a regular triangle is 292.28 ft2 and the length of the apothem is 7.5 ft. Find the length of the one side.
Use trigonometry to find the area of a regular hexagon with an apothem of 15 m.
Use trigonometry to find the area of a regular decagon with an apothem of 9.4 cm.
Use trigonometry to find the area of a regular octagon with a side length of 12 ft.
Use trigonometry to find the area of a regular dodecagon with a radius of 5 in.