pls answer 7 one with process
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total surface area of cuboidical box =2(lb +bh+hl)
2(3×4+4×5+5×3)
=2(12+20+15)
=2×47
=94
area of the bottom of the box=l×b
=3×4
=12
total area = 94-12=82
2(3×4+4×5+5×3)
=2(12+20+15)
=2×47
=94
area of the bottom of the box=l×b
=3×4
=12
total area = 94-12=82
abhijeet50:
hope it will help you
it helped me
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