This is just what I think... The shaded square takes up 1 square from each BIG, so total figure can have 18 squares. Meaning 9 2cm squares per BIG square... so the perimeter is 40cm?
6 years ago
Yeo See Yeong
6 years ago
Eva Ong
Love e figure drew,
By looking at it ,My son got it !
Many thanks to Jackie & Yeo See Yeong 👍