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(18-12):2=3
3 kwadrat +b kwadrat=5 kwadrat
9+ b kwadrat =25
b=4
p=1/2 x (18+12) x 4
p=60
obw=2x5+18+12=40
Pr=18-12=6:2=3-podstawa ramienia
5 do kwadratu=3 do kwadratu+ x do kwadratu
x=4
x-wysokośc
P=18+12*4/:2=60-pole