To calculate the surface area of a closed box, we need to find the area of each of the six faces and then add them together.
The formula to find the surface area of a closed box is:
Surface Area = 2lw + 2lh + 2wh
Given:
Length (l) = 22 cm
Width (w) = 10 cm
Height (h) = 9 cm
Substitute the values into the formula:
Surface Area = 2(22)(10) + 2(22)(9) + 2(10)(9)
Surface Area = 440 + 396 + 180
Surface Area = 1016
Therefore, the surface area of the closed box is 1016 square centimeters.
Calculate the surface area of the following closed box whose length is 22 cm width is 10 cm and height is 9 cm surface area
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