Question

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.

Answer 1

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

Answer 2

Answer:₹846

Step-by-step explanation: