Area of Regular Polygons Answers

A regular pentagon has an apothem measuring 3 cm and a perimeter of 21.8 cm.

A regular pentagon is shown.

A regular hexagon has a radius of 20 in. What is the approximate area of the hexagon?

Manuel wants to buy a window shade to cover the window and frame shown. The window is in the shape of a regular octagon.The radius of the window, including the frame, is 2 ft, and the measure of each edge of the octagonal frame is 1.52 ft.

Fiona must find the length indicated by the dotted line for the tiles she is installing. She knows that each polygon is a regular hexagon with a perimeter of 7.5 in.

The base of the right triangle drawn in the regular octagon measures 0.7 cm.

A square has an apothem measuring 2.5 cm and a perimeter of 20 cm.What is the area of the square, rounded to the nearest square centimeter?

The area of the regular octagon is approximately 54 cm2.

A community pool that is shaped like a regular pentagon needs a new cover for the winter months. The radius of the pool is 20.10 ft. The pool is 23.62 ft on each side.To the nearest square foot, what is the area of the pool that needs to be covered?

The area of the regular hexagon is 169.74 ft2.