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Rectilinear Figures, SM-Bank 013

Aragorn is fencing a paddock on his property. The total length of fencing he requires is 8.2 kilometres.

The length of the paddock is 2.8 kilometres.
 

 
How wide is the paddock?

Write your answer, in kilometres to one decimal place?  (2 marks)

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\(1.3\ \text{km}\)

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\(\text{Express as a perimeter equation:}\)

\(2\times 2.8 + 2x\) \(= 8.2\)
\(2x\) \(= 8.2-5.6\)
\(2x\) \(= 2.6\)
\(\therefore x\) \(=1.3\ \text{km}\)

\(\therefore\ \text{Side length is }1.3\ \text{km}\)

Filed Under: Rectilinear Figures Tagged With: num-title-ct-core, smc-4840-10-Plane shapes

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