SOLUTION: the rectangular prism is made of 40 cubes. each cube has an edge that measures 5in. what is the surface area of the prism
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Question 276328: the rectangular prism is made of 40 cubes. each cube has an edge that measures 5in. what is the surface area of the prism
Found 2 solutions by nyc_function, solver91311:
Answer by nyc_function(2741) (Show Source): You can put this solution on YOUR website!
The surface area of a prism = 2 × area of base + perimeter of base × H
Can you finish now?
nycfunction@yahoo.com
Guido
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Impossible to tell. Are the 40 cubes stacked in a 1 by 4 by 10 cube prism (108 cube faces showing), or 2 by 2 by 10 (88 cube faces showing), or 2 by 4 by 5 (76 cube faces showing), or some other arrangement? Each cube has a face area of 25 square inches, so once you figure the number of cube faces that show on your prism, multiply by 25.
John
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