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soldi70 [24.7K]
2 years ago
11

A room is 8.5 m long,6.5 m broad and 3.4 m high. it has two doors, each measuring (2 m 1m).find the cost of painting its four wa

lls at £160 per m.
Mathematics
1 answer:
levacccp [35]2 years ago
4 0
Find the surface area of the 4 walls by doing
2(8.5x3.4) + 2(6.5x3.4)
Then subtract the area of the 2 doors , which is 4
So the total painted surface will come out to be 98m
Multiply 98 by the cost, £160 to get a total cost of £15680 to paint the room
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