What is the total cost of painting of a class room including ceiling, if the size of length is 6m, breadth is 5m and height is 4m. (Painting + labour cost Rs.150/- per sq.m)
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Step-by-step explanation:
the the length of classroom is equal to 6m.
breadth of the classroom is equal to 5 metre
height of classroom is equal to 4 metre
so in this problem we have not painted the base so we have to find the area of four walls and ceiling,
Formula:- curved surface area of valves + area of ceiling
2(l+b)h +lb
2(6+5)4+6×5
=118 m²
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