Respuesta :

Answer:

[tex]Area = 400m^2[/tex]

Step-by-step explanation:

Given

[tex]a = 10m[/tex] --- apothem

Required

The area of the square

The relationship between the apothem (a) and the length (L) of  1 side of a square is:

[tex]a = \frac{L}{2}[/tex]

Make L the subject

[tex]L = 2a[/tex]

Substitute [tex]a = 10m[/tex]

[tex]L = 2*10m[/tex]

[tex]L = 20m[/tex]

The area is then calculated as:

[tex]Area = L^2[/tex]

So:

[tex]Area = (20m)^2[/tex]

[tex]Area = 400m^2[/tex]