contestada

A box has a width of 12 cm, a length of 30 cm, and a height of 16 cm. Which expression below can be used to determine the surface are oa f the box?

a
2(12 x 30) + 2(12 x 16) + 2(30 x 16)
b
2(12 + 30) + 2(12 +16) + 2(30 x 16)
c
2(12 x 30) + 2(12 x 12) + 2(30 x 16)
d
(12 x 30) + (12 x 16) + (30 x 16)

Respuesta :

hippopotamus

Answer:

a

Step-by-step explanation:

The area of each side is length * width:

2( 12 * 30 + 12 * 16 + 16 * 30)

which we can rewrite as 2( 12 * 30) + 2( 12 * 16) + 2 * ( 30 * 16)

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