Answer:
Let width = l
Therefore, length = 3l
Perimeter = 2(l+b)
48 = 2(l+3l)
48 = 2× 4l
48 = 8l
8l = 48
l = 48/8
l = 6
Width = 6
Therefore, length = 3×6
= 18
Area = l×b
= 18×6
= 108
Step-by-step explanation:
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