Question

a rectangular field has a perimeter of 100 m the length of is 10 m more than the breadth

Answer 1

let the breadth of the rectangle is x.
so that the length will be x+10.
the formula for the perimeter is
$2(length + breadth)$
substitute the values in that formula
$2(x + x + 10) = 100$
$2(2x + 10) = 100$
$4x + 20 = 100$
$4x = 80$
x=20


so the length is 20+10=30m
the breadth is 20m.


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