if six cubes,each of edge 7cm are joined end to end,then what will be the total surface area of the resulting figure?
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Answer:
1274cm²
Step-by-step explanation:
If the cubes are joined end to end then,
length of the total = 42cm
breath = 7cm
height = 7cm
as they are joined end to end so lenght will be according to the no. of cubes joined and height and breath remains same......
TSA of the total surface that is a cuboid formed
=2(lb+bh+lh)
=2(42×7+7×7+7×42)
=2(294+49+294)
=2×637
=1274cm²
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