Odpowiedź:
a = 2
c = 5
b = ?
twierdzenie - a^2+b^2=c^2
2^2+b^2=5^2
4 + b^2 = 25 /- b^2
4 = 25 - b^2 /- 25
4- 25 = -b^2
-21 = -b^2 /: -pierwiastek
pierwiastek z 21 = b
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Odpowiedź:
a = 2
c = 5
b = ?
twierdzenie - a^2+b^2=c^2
2^2+b^2=5^2
4 + b^2 = 25 /- b^2
4 = 25 - b^2 /- 25
4- 25 = -b^2
-21 = -b^2 /: -pierwiastek
pierwiastek z 21 = b