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marshall27 [118]
3 years ago
7

Find the area of the four walls of a cubical room whose side measures 5m. Find the cost of white washing the room at the rate of

`23 per square metre.
Mathematics
1 answer:
NikAS [45]3 years ago
7 0
We know that one wall side is 5m.
To find the area of one wall, we do 5²=25m²
We know there is 4 walls. So we have to find total area of all four walls.
Which is 25×4=100m²
To find the total cost of white washing the room, we have to do:
100(total area)×23(cost per m²)=$2300
So the total cost of the area is $2300
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