CY Lew's answer to Freda's Secondary 1 Maths Singapore question.
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Draw 2 horizontal lines which are parallel to CF at points D and G
Using properties related to parallelogram,
i) Obtuse angle CDE = 65 + 40 = 105*
ii) Reflex angle FGH = 360-40-65= 255*
Using properties related to parallelogram,
i) Obtuse angle CDE = 65 + 40 = 105*
ii) Reflex angle FGH = 360-40-65= 255*
Date Posted:
1 year ago
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