a rectangular room is of the length 10 m and breadth 6 m and height 3 M .the four walls and the roof the have to be painted if the cost of painted is rupees 75 per square metre what will be the total cost? The area of the window and door is 6 square metre which are not to be painted
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pravin499226:
no wrong answer
tell me where is mistake
is 11250
ur answer is wrong tell mistake in my solution
arey bhai Mujhe homework karna hai mujhe message nahi pata tha mere book me answer it nahi diya hai 11250
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area to be painted= area of four walls +area of rectangle (roof)
= 2h(l+b) + lb
= 2*3(10+6)+10*6
= 6(16)+60
= 96+60
=156m^2
the area of window and doors=6m^2
the cost of painting the walls and roof=150*75
= Rs 11250
= 2h(l+b) + lb
= 2*3(10+6)+10*6
= 6(16)+60
= 96+60
=156m^2
the area of window and doors=6m^2
the cost of painting the walls and roof=150*75
= Rs 11250
answers is perfect
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