The area of four walls of a hall is 266 sq.m the lenght and breath of the hall are 12m and 7m respectively .find the height of the wall.
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length= 12m
breadth= 7m
area of four wall = 266 sq m
2 (l+b)h = 266
2 (12+7)h=266
19×h=266÷2
h=266÷2÷19
h= 7m
breadth= 7m
area of four wall = 266 sq m
2 (l+b)h = 266
2 (12+7)h=266
19×h=266÷2
h=266÷2÷19
h= 7m
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