Respuesta :

2Educ8
Surface area = 2(lw) + 2(wh) + 2(lh)

2(4 * 5) + 2(5 * 15) + 2(4 * 15)
2(20) + 2(75) + 2(60)
40 + 150 + 120
310 square inches
sanic123
the answer I got without the calculator is 300 in². And the answer I got with the surface area calculator is 310 in². So the answer is either 300 in² or 310 in².


hope this helps ｡◕‿‿◕｡


edit: the answer is 310 in²

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