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(2cm)²+(3cm)²=(5cm)²
4cm²+9cm²=25cm²
13cm²=25cm²
b)7cm, 5cm,11cm
(7cm)²+(5cm)²=(11cm)²
49cm²+25cm²=121cm²
71cm²=121cm²
c)10m, 1cm,10m
(1cm)²+(10cm)²=(10cm)²
1cm²+100cm²=100cm²
101cm²=100cm²
d)8m, 5m, 4m
(4cm)²+(5cm)²=(8cm)²
16cm²+25cm²=64cm²
41cm²=64cm²
Więc:
a istnieje
b nie istnieje
c nie istnieje
d nie istnieje