tolong ya jawab no 4 dan 5 aja besok di kumpul

4. Skala 1:1000
   50 m = 5000 cm / 1000 = 5 cm
   70 m = 7000 cm / 1000 = 7 cm
   70 m = 7000 cm / 1000 = 7 cm

5. Skala 1 : 100
   4 x 100 cm = 400 cm = 4 m
   6 x 100 cm = 600 cm = 6 m
   Keliling sebenarnya (2 x 4) + (2 x 6) = 8 + 12 = 20 m