a cubical box with lid has a length of 30cm .find the cist of painting the inside and outside of the box at ₹5.50 per meter square.
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( I can't understand what 's cist )
if it's total surface area = 6a power2
if it's curved surface area =4a power2
so,TSA=0.54
cost=₹2.97
if,CSA = 0.36
cost = ₹1.98
if my answer is correct/wrong please
coment//
if it's total surface area = 6a power2
if it's curved surface area =4a power2
so,TSA=0.54
cost=₹2.97
if,CSA = 0.36
cost = ₹1.98
if my answer is correct/wrong please
coment//
saneer97:
wrong
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