Answer:
60m
Step-by-step explanation:
Let Breadth =x
Length =x+20
Perimeter of a rectangle = 2(L+B)
=2(x+20+x)
=4x+40
Given perimeter =280
4x+40=280
4x=240
x=60
Therefore, breadth=60length=80
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Answers & Comments
Answer:
60m
Step-by-step explanation:
Let Breadth =x
Length =x+20
Perimeter of a rectangle = 2(L+B)
=2(x+20+x)
=4x+40
Given perimeter =280
4x+40=280
4x=240
x=60
Therefore, breadth=60length=80