Han Zhi Yuan's answer to Kuromi<3's Primary 6 Maths Geometry Singapore question.
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16: One such decimal between 2.1 and 2.2 is 2.15
17: Angles AFB and CFE are opposite to each other, hence they are equal.
=> Angle CFE = Angle AFB = 72°.
Therefore Angle DFE = Angle CFE - Angle CFD = 72° - 5° = 67°.
17: Angles AFB and CFE are opposite to each other, hence they are equal.
=> Angle CFE = Angle AFB = 72°.
Therefore Angle DFE = Angle CFE - Angle CFD = 72° - 5° = 67°.
Date Posted:
4 years ago
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