Renovation of Dog Pen
2. How does decreasing the length of the dog pen by 1m aect the
perimeter of the dog run? How does decreasing the length of the dog pen
by 2m aect the perimeter of the dog run? 3m? Using diagrams,
numbers and words, show how you arrived at your answers.
3. In general, how does changing the length of any rectangle change its
perimeter? Use diagrams and words to justify your answer.
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MATHEMATICS PERFORMANCE TASKS 97 Christie Wainwright