Respuesta :

Answer:

105 mm²

Step-by-step explanation:

The area (A) of the regular polygon is calculated as

A = [tex]\frac{1}{2}[/tex] pa ( p is the perimeter and a the apothem )

Here a = 5 and p = 6 × 7 = 42, thus

A = [tex]\frac{1}{2} }[/tex] × 42 × 5 = 21 × 5 = 105 mm²