the area of the four walls of room is 280 m sq if the length and hieght of the room are 22 m and 3.5 m respectively find the breadth od the room
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Answer:
It is given that length, breadth and height of a room are 8 m, 5 m and 3 m respectively.
Area of four walls of the room is: 2h(l+b)
A=2h(l+b)=2×3(8+5)=6×13=78 m
2
Area of the ceiling is:
A=l×b=8×5=40 m
2
Total area of the four walls and the ceiling of the room is 78+40=118 m
2
It is given that cost of white washing is Rs.15/m
2
, therefore,
Total cost of white washing is:
118×15=1770
Hence, the cost of white washing the walls is Rs.1770.
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Answer:
the area of the four walls of a room is 280
CM square if the length and height of the room at 22 M and 3.5m respectively find the breadth of the room. I am really very sorry i can't understand this question. Would you please explain me
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