The outer surfaces of a box are covered with gold foil, except the bottom. The box measure 6 in. long, 4 in. wide, and 3 in. high. How much gold foil was used?

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The outer surfaces of a box are covered with gold foil, except the bottom. The box measure 6 in. long, 4 in. wide, and 3 in. high. How much gold foil was used?

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Answer 1 · 2016-01-31T21:13:57

First calculate the surface area of the entire figure. You can then subtract the bottom.

Explanation:

S.A = $(6 \times 4 \times 2) + (4 \times 3 \times 2) + (6 \times 3 \times 2) - (6 \times 4)$ $(6 xx 4 xx 2) + (4 xx 3 xx 2) + (6 xx 3 xx 2) - (6 xx 4)$

S.A = $48 + 24 + 36 - 24$ $48 + 24 + 36 - 24$

S.A = 84 inche $s^{2}$ $s^2$

84 square inches of gold foil was used to cover the box.

Practice exercises:

The following prism is a package of Toblerone chocolates. Assuming that the logo Toblerone is etched on $\frac{1}{8}$ $1/8$ of the total surface area, find the surface area that the logo covers, rounded to the nearest hundredth
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The outer surfaces of a box are covered with gold foil, except the bottom. The box measure 6 in. long, 4 in. wide, and 3 in. high. How much gold foil was used?

1 Answer

Explanation:

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