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A square has its centre at the origin and its sides parallel to the axes. Two of its sides lie on the lines and .
What are the equations of the other two sides?

Class 9Lines Parallel to the AxesLinear Equations
  • A and
  • B and
  • C and
  • D and

Step-by-Step Solution

The vertical sides and are 10 units apart, so the side length is 10. With the centre at the origin and sides parallel to the axes, the horizontal sides are 5 units above and below: and .
Answer: A) and

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