how many cubic - centimetres blocks will be required to build cubes -cuboids of the following dimensions each side=4cm
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Answer:
24
Step-by-step explanation:
The cubes with 2 faces painted will be the cubes on the sides except the corner ones.
Therefore, face on the top and bottom will have 8+8=16 cubes and the front and the back face will have 4+4=8 cubes.
The cubes on the other two faces have been covered by the above four.
Therefore, total number of cubes =8+16=24.
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