Danny Low's answer to Jona's Secondary 3 A Maths Singapore question.

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Danny Low
Danny Low's answer
1017 answers (Tutor Details)
1st
I hope I have not missed any. Hope this helps
Boy Mow Chau
Boy Mow Chau
2 years ago
i think there are 2 more lines that can qualify.
from upper left corner to bottom right corner passing through center dot.
from upper right corner to bottom left corner passing through center dot.

total 22 lines.
Danny Low
Danny Low
2 years ago
Yes I think you are right. Thanks