Jawabanmu

2014-02-10T15:38:14+07:00
Luas 
1 per 2 x diagonal 1 x diagonal 2

Kelling
Sxsxsxs
2014-02-10T15:53:21+07:00
Luas 1/2 x diagonal 1x diagonal 2 keliling s+s+s+s