A sheet of metal has dimensions 56 cm by 33 cm. It is melted down and recast into discs of the Aroad 3.5 m wide surrou
road ar 20 per m (Take
thickness and radius 7 cm. How many discs will be cast?
33 cm
7 cm
radius
56 cm
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Answer:
Area of rectangular sheet=length×breadth
=56×33 cm²
=1848 cm²
Area of disc=πr²
=(22/7)*7² cm²
=154 cm²
No. of sheets whuch will be made=1848/154
=12 discs
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