Question

the floor of a hall is completely covered by 26 carpet each measuring 4 m 2.5 cm find the area

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Answer 1

Answer:

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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

Hence, the cost of white washing the walls is Rs.1770.

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