Geometry

QR passes through point S and is perpendicular to TU at S. Suppose QR is dilated by a scale factor of 1/3 centered on point S. Which of the following statements is true for the dilated lines?

1. The dilated line segments intersect at S but are not perpendicular
2. The dilated line segments intersect at a point other than S
3.The dilated lines are perpendicular
4. the dilated lines are parallel

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  1. only the length of QR is changed, so it is still ⊥ to TU

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    oobleck

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