Given:
The number of sides is n = 7.
The length of the apothem is r = 4.0cm
The perimeter is P = 27.3 cm.
To find:
The area of the heptagon
Step-by-step explanation:
The formula of the perimeter of the heptagon is,
The formula of the area of the heptagon is,
Final answer:
The area of the heptagon is 54.6 square cm.