A cardboard box of length 80 cm breadth 70 cm and height 15 cm is to be made. it is to be open at the top. ignoring the thickness of the sheet, calculate the following:
cost of the sheet at the rate of 2 paise per square centimetre
Answers
Answered by
1
Answer:
area of cardboard box-- l×b= 70×80= 560cm2
cost of sheet = 2×560=₹11.2
Answered by
2
Answer:
for this you first find total surface area of cuboid
Step-by-step explanation:
total surface area of cuboid = 2(lb+ bh + lh)
= 2 ( 80×70+70×15+
80×15)
=2 (5600+1050+1200)
= 2× 7850
= 15700 sq.cm
cost of the sheet of per square centimetre =2
total cost = 2×15700
=31400
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