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secondary 4 | A Maths
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Nathan
Nathan

secondary 4 chevron_right A Maths chevron_right Singapore

need help with i and ii

Date Posted: 3 years ago
Views: 270

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An Yi
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76 answers (Tutor Details)
Part (I)
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Here's how I did part (II). The 90⁰ information in the question tells you that the gradient of PQ is perpendicular to that of QR. Hope this helps!