class 8 math question a closed metallic cylindrical
boxes 1.51 metre high and base with radius 49 sentimeter the seat of metal cost rupees 75 per metre square find the cost of the metal used in the box
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Answer:
rs.3488.1
Step-by-step explanation:
sheet needed=curved surface area of cylinder = 2πrh=2#22/7#0.49#1.51=44#1.057=46.508m.sq. cost of metal used for box=46.508#75=rs.3488.1
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