Math CentralQuandaries & Queries


Question from Hazym, a student:

How do I find the length(which is 15m longer than the breadth) and the breadth of a rectangle just by its perimeter which is 70 m?

Hi Hazym,

I really find that a sketch helps.


In my diagram $B$ is the breadth of the rectangle in metres. What is the perimeter of the rectangle in terms of $B?$ This perimeter is 70 metres. Solve for $B.$


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