three cubes each of edge 10 cm are joined to form a cuboid. find the surface area of resulting cuboid
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New L=10+10+10=30cm
And,b=10cm
h=10cm
Now find TSA
And,b=10cm
h=10cm
Now find TSA
Answered by
6
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yashi07:
sorry i was wrong total length=10+10+10=30 cm b= h=10 cm so s.a=2(lb+bh+hl)=2(10×10+30×10+30×10)=1400 cm× cm I'm sorry again
np
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