Question

the wall ceiling of a hall 32 M long 22 M width and 12 metre height are to be covered with the wallpaper find the length of paper required of the paper is 2m wide.

Answer 1

Given :  wall ceiling of a hall 32 m long 22 m width and 12 m  height are to be covered with the wallpaper  

paper is 2m wide.

To Find : length of paper required

Solution:

wall ceiling of a hall 32 m long 22 m width and 12 m  height

Area of 4 walls = 2 (32 + 22) * 12

= 24 ( 54)

=1296 m²

Area of  ceiling = 32 x 22 =  704 m²

Total area = 1296 + 704

= 2000 m²

Width of Paper = 2m

length of Paper required = 2000/2 =  1000 m

length of paper required  = 1000m   or  1 km

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Answer 2

the answer of your question is 1000 m