Jane lee's answer to Nicole's Primary 5 Maths Angles & Geometry Singapore question.
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Angle AOC = 90 degrees
90 degrees is also equal to angle BOD because of vertically opposite angle
Angle COE = 30 degrees
30 degrees is also equals to angle DOF because of vertically opposite angle
Therefore, angle BOF is equals to 120 degrees
90 degrees is also equal to angle BOD because of vertically opposite angle
Angle COE = 30 degrees
30 degrees is also equals to angle DOF because of vertically opposite angle
Therefore, angle BOF is equals to 120 degrees
Date Posted:
4 years ago
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