AC Lim's answer to Kc's Primary 6 Maths Measurement Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
AC Lim
Ac Lim's answer
12510 answers (A Helpful Person)
1st
Hope this helps
Kc
Kc
3 years ago
Hi AC, may i know for part b, (i), why do u minus 2 each?
AC Lim
AC Lim
3 years ago
Each side 1cm will cover with paint. So we minus away each side with 1cm. Total 2cm
We count the cubes that cut out from inside. Cubes that on surface don’t count.