'Rugby' shape & its Perimeter

Level 1 problem
solution
[size=85]2019/05/10[br]west rail line, mtr[/size]
中文版
[size=85]作者：蔡智仁老師[br]https://www.ggbm.at/fbmxhasx[/size]
worksheet - level 1
[size=85]2019/05/14[/size]
– spkwan

Information: 'Rugby' shape & its Perimeter