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not properly seen that......,
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Hey,
Let the width be b
l = 4 +b
Given,
Perimeter/2 = 36
So, (l + b) is equal to 36
Putting l = 4 + b
(4 + b + b) = 36
Then, 2b = 32
So, b is 16 m
Hence l is 4 + 16
= 20 m
Let the width be b
l = 4 +b
Given,
Perimeter/2 = 36
So, (l + b) is equal to 36
Putting l = 4 + b
(4 + b + b) = 36
Then, 2b = 32
So, b is 16 m
Hence l is 4 + 16
= 20 m
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