AC Lim's answer to Jackson R's Primary 6 Maths Geometry Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
AC Lim
Ac Lim's answer
12507 answers (A Helpful Person)
1st
Due to wall, last 3 cm cannot be used. Hope this helps
Jackson R
Jackson R
3 years ago
Thank you so much. At first i really can’t see why it’s not 156, but with your drawing, now i can see.