tolong di jawab no 9 yach...

panjang sebenarnya =4 cm × 200= 800 cm
=800 cm = 8 meter

lebar sebenarnya =2 cm × 200= 400 cm
= 400 cm = 4 meter

keliling sebenarnya =4 m + 2 m =6 m
= 6 ×2 =12 meter