SOLUTION: The floor of a class room measures 6m by 8m. The wslls are3m high and they contain four rectangular windows measuring 1.2m by 7cm. There is a door which measures 2m by 80cm. What p

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Question 1064293: The floor of a class room measures 6m by 8m. The wslls are3m high and they contain four rectangular windows measuring 1.2m by 7cm. There is a door which measures 2m by 80cm. What percentage of the total wall area is made up is taken up with windows and doors? Give your answer to 2 significant figures
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
The perimeter of the room is then,

The total wall area is,

Are the windows really 7 cm or did you mean 70cm. I'll do both.
The window area is,


The door area is,

So then,
or 2.3%
or 5.9%

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