KOR ZHI HENG's answer to ARMY :)'s Secondary 2 Maths question.

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KOR ZHI HENG
Kor Zhi Heng's answer
63 answers (A Helpful Person)
Jiayang
Jiayang
6 years ago
You can't say that they are parallel without proving that they are parallel first. You should have used corresponding angles (of similar triangles) as your reason instead.