Shaklning perimetri nimaga teng sm sm sm

3.Shaklning perimetri nimaga teng.
2 sm
2 sm
2 sm
2 sm
P=2sm+2sm+2sm+2sm=8sm
3.Shaklning perimetri nimaga teng.
P=4sm+4sm+4sm+4sm+2sm+2sm=20sm

3. Bo‘yi 20 metr, eni 30 metr bo‘lgan yer maydonini o‘rash uchun necha metr devor qurish kerak?

20 m
20 m
30 m
30 m
P=30m+20m+30m+20m=100metr