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10 inches by 8 inches by 6 inches represents the volume of a rectangular prism, not the area. The volume is obtained by multiplying: 10 * 8 = 80; 80 * 6 = 480 cubic inches.

If you wish to find the surface area, find the area of each side and add these results up. There are two 10 x 8 (or 8 x 10) sides, so there's 80 square inches. Another side is 8 x 6 (or 6 x 8), so there's 48 square inches. One more side is 10 x 6 (or 6 x 10), so there's 60 more square inches. There are two of each kind of side, so you can either add these up and multiply the result by 2, or multiply each one by 2 and then add them. I find it easiest to add first: 80 + 60 + 48 = 188, and 188 * 2 = 376, so the surface area is 376 square inches.

Note: If this question is from work you have been assigned by a teacher or professor, I suggest you do the work yourself instead of trying to find the answers online. This will help you to better understand the material and become more familiar with it. Of course, if this question was not from homework, you can ignore this message.

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11y ago
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3y ago

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