sstrike's answer to sstrike's Secondary 3 A Maths Singapore question.
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Two properies of circle are used:
❶ Alternate segment theorem
❷ Opposite angles in a cyclic quadrliateral add up to 180°
❶ Alternate segment theorem
❷ Opposite angles in a cyclic quadrliateral add up to 180°
Date Posted:
4 years ago
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