sstrike's answer to Dylan's Secondary 1 Maths Singapore question.
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3x = 19° + 96° - 2x
x = (19° + 96°)÷(3+2) = 23° (Ans)
y = 180° - 3×23° = 111° (Ans)
x = (19° + 96°)÷(3+2) = 23° (Ans)
y = 180° - 3×23° = 111° (Ans)
Date Posted:
3 years ago
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