Is 6 classified as an integer?
1 answer:
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Answer:
422 cm²
Step-by-step explanation:
Surface area of the composite figure = (surface area of the upper cuboid + surface area of lower cuboid) - 2(base area of the lower cuboid)
Surface area of composite figure =
Upper cuboid has the following dimensions:
Lower cuboid has the following dimensions:
Plug these values into the formula
Surface area of composite figure
Surface area of composite figure = 422 cm²