2025 WGS P2 Q6

2025 WGS P2 Q6

Secondary 4
6 marks

The area and length of a rectangle are \(2\text{ cm}^2\) and \(\dfrac{2+\sqrt3}{2-\sqrt3}\) cm respectively.

Express, in the form \(a+b\sqrt3\),

  1. the breadth,[3]
  2. the perimeter of the rectangle.[3]

Solution:

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Answer:(a) \((14-8\sqrt3)\text{ cm}\). (b) \((42-8\sqrt3)\text{ cm}\).

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