Respuesta :

pstnonsonjoku

Answer:

1200cm^2

Explanation:

length of the box (L) = 40 cm

width of the box (W) = 30 cm

Area of the base is obtained as the area of the rectangle. Recall that the base of a box is a rectangular shape.

Therefore;

Area of base = 40cm * 30cm =1200cm^2

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