J's answer to Hanisah's Secondary 4 E Maths Singapore question.
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This can be done without assuming OC is parallel to ED. Just need to look at a different pair of triangles.
Date Posted:
4 years ago
Ooooo! There’s so many similar triangles in the qn! Thank you so much!
Yup that's absolutely correct. Didn't notice that pair of similar triangles.
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