A hall 36m long and 24m broad allowing 80m² for doors and windows the cost of papering the walls at rs8.40per m² is 9408.find the height of the hall
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Step-by-step explanation:
=>CSA of walls+ 80 = total cost÷ cost per m^2
=>2h(l+b)+ 80= 9408÷8.40
=> 2h(36+24)+80 =1120
=> 2h(60) =1040
120h =1040
h =26/3 m
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