Zoe Chua's answer to Kate's Secondary 4 E Maths Singapore question.

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Zoe Chua
Zoe Chua's answer
4 answers (Tutor Details)
Initially we are unable to determine or see the link, but if we associate it with triangles we know of it’s ratio we can find it. Since triangle ABC will be cancelled out in the equation, the final ratio can be found. Hopefully it will give the right answer.