the window a room is 20m long and 14m wide if a carpenter work to put a metallic frame around it which cost rs.120 per meter then how much will the metallic cost?
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Step-by-step explanation:Length =20 m
Breadth =14 m
Perimeter =2(l+b)
2(20+14)=2*34=68 m
Given cost per m =120 rs
Then the total cost =68*120=8160 rs
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