Han Zhi Yuan's answer to Darren's Secondary 4 E Maths Singapore question.
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Interior angle of pentagon = 180° - 360°/5 = 108°.
Interior angle of n sided polygon = 360° - 2 * 108° = 144°
Interior angle of n sided polygon = 180° - 360°/n = 144°.
So 36° = 360°/n, n = 10.
Interior angle of n sided polygon = 360° - 2 * 108° = 144°
Interior angle of n sided polygon = 180° - 360°/n = 144°.
So 36° = 360°/n, n = 10.
Date Posted:
4 years ago
Don't understand
Nvm I know alr
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