a closed box is cuboid in shape with length=40cm breadth=30cmvand height=50cm. it is made of thin metal sheet. find the cost of metal sheet required to make 20 such boxes,i 1m^2 of metal sheet costs ruppes 45.
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dear friend I think this the answer plz check
L=40cm
B=30cm
H=50cm
as it is a closed box therefore we have to find total surface area
T.S.A=2(LB+BH+LH)
=2(40×30+30×50+40×50)
=2(120+150+200)
=2×470
=940cm sq
metal required for 20 boxes =20×940
=18,800
cost=18800×45
= rupees846000
plz mark it as a brainliest answer
L=40cm
B=30cm
H=50cm
as it is a closed box therefore we have to find total surface area
T.S.A=2(LB+BH+LH)
=2(40×30+30×50+40×50)
=2(120+150+200)
=2×470
=940cm sq
metal required for 20 boxes =20×940
=18,800
cost=18800×45
= rupees846000
plz mark it as a brainliest answer
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Answer:₹846
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