Respuesta :

Nirina7
the answer 
the main formula of the volume of a square pyramid is 

V = 1/3 b² h (because the area of the base is A= bxb=b²)
b = 40cm
h= 25 cm 
so the volume is V= 1/3 b² h =1/3 x 40² x 25 = 13333,33 cm^3

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