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 Question from Slayde: A rectangular house has one side 4 metres longer than the other. Create two different expressions for its perimeter. The expressions should be given in factorised and expanded form.

Hi Slayde,

1. Suppose that the length of the shorter side is $S$ metres. What is the length of the longer side? What is the perimeter?

2. Suppose the length of the longer side is $L$ metres. What is the length of the shorter side? What is the perimeter?

Penny