Respuesta :

Answer:

apothem = 2.5 m

Step-by-step explanation:

The area (A) of a regular polygon is

A = pa ( p is the perimeter and a the apothem )

Here A = 180 and p = 8 × 9 = 72, thus

72a = 180 ( divide both sides by 72 )

a = 2.5