Find the perimeter of a rectangular hall 30m long , if its length if the hall is doubled its breath What is the answer
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Breadth = x
Length = 2x
Perimter = 2 (2x + x)
30cm = 2 (3x)
30cm = 6x
x = 30/6
x = 5c
Breadth = x = 5cm
Length = 2x = 2 (5) = 10cm
Length = 2x
Perimter = 2 (2x + x)
30cm = 2 (3x)
30cm = 6x
x = 30/6
x = 5c
Breadth = x = 5cm
Length = 2x = 2 (5) = 10cm
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