posted by Rachel on .
How do I find the dimensions of a piece of wrapping paper used to wrap the box? The dimensions are 15in, 9in, 4in. The Surface area equals 462.
I don't know to make it into an answer like 40 in. BY 10in
(2 * 15) + (2 * 4) = 38 inches
(2 * 9) + (2 * 4) = 26 inches