Ramki's answer to Dee's Secondary 1 Maths Singapore question.

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Ramki
Ramki's answer
287 answers (Tutor Details)
Hope this helps. Please add in comments if you have any questions
Dee
Dee
4 years ago
Thank you very much. I believe my teacher haven't touch on interior angles of polygon. That's why I don't understand from n=20 to 10 sided polygon .Thank you anyway .