J's answer to Julaika's Primary 5 Maths Rate & Ratio Singapore question.
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Sum of angles at a point = 360°
There are two right angles in the picture (90° each)
r = 360° - 90° - 90° - 112° = 68°
There are two right angles in the picture (90° each)
r = 360° - 90° - 90° - 112° = 68°
Date Posted:
2 years ago
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