Mathematics for IGCSE & O level - Equations (Section 6 - No. 10)
What would be the correct starting point if you want to find the dimensions of a rectangular pen with an area of 27 m² and a perimeter that should be smaller than 25 m?
Set up the equation A = l x w and use the quadratic formula
Set up the equations A = l x w and P = 2(l + w)
Set up the equation P = l x w + 2l
Set up the equation A = l²
Explanation
The area of the rectangular pen can be found using the formula A = l x w and the perimeter is defined by P = 2(l + w).
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