plisss no 5 dan no 3 besok mau di kumpul

5. Dik panjang denah=10cm
Lebar denah=8cm
Panjang S=panjang denah÷skala
=10÷1/500
=10×500/1
=5000cm/50m
Lebar S=lebar denah÷skala
=8÷1/500
=8×500/1
=4000cm=40m
Luas sebenarnya=p×l
=50×40
=2000m^2
3. 3 1/3×2 2/5
10/3×12/5
2/1×4/1
8/1=8

Semoga bermanfaat