Respuesta :

Answer:

Step-by-step explanation:

surface area=area of sides +area of top and bottom

=2(4+5)×8+2×(4×5)

=2[(9×8)+20]

=2[72+20]

=2×92

=184 m²

ashley0902

Answer:

184

Step-by-step explanation:

A=2(wl+hl+hw)

plug in the numbers into the formula

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