36 kwadrat + x kwadrat=39 kwadrat1296+x kwadrat=1521x kwadrat= 1521-1296xkwadrat= 225/ razy pierwiastekx= 15Ob= 2a+2bob= 2 * 39+2*15ob=78+30=108P=a*hP=15*39P=585 cm kwadratowego
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36 kwadrat + x kwadrat=39 kwadrat
1296+x kwadrat=1521
x kwadrat= 1521-1296
xkwadrat= 225/ razy pierwiastek
x= 15
Ob= 2a+2b
ob= 2 * 39+2*15
ob=78+30=108
P=a*h
P=15*39
P=585 cm kwadratowego