1) The question screenshot has been attached down below answer step-by-step. 11. A room in the shape of a rectangular prism measuring 3.5 m wide by 4.2 m long by 2.4m high is to be painted. All surfaces except the floor are to be painted. How many squaremetres of surface are to be painted, rounded to one decimal place?

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Answered: 11. A room in the shape of a…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

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11. A room in the shape of a rectangular prism measuring 3.5 m wide by 4.2 m long by 2.4 m high is to be painted. All surfaces except the floor are to be painted. How many square metres of surface are to be painted, rounded to one decimal place?