Odpowiedź:
a )
a² = 6² + 3² = 36 + 9 = 45
oraz x² = 45 + 3² = 45 + 9 = 54 = 9*6
x [tex]=\sqrt{9*6} = 3\sqrt{6}[/tex]
===================
b ) 2² + a² = 4²
a² = 16 - 4 = 12
oraz
a² + 3² = y²
y² = 12 + 9 = 21
y = [tex]\sqrt{21}[/tex]
===============
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Odpowiedź:
a )
a² = 6² + 3² = 36 + 9 = 45
oraz x² = 45 + 3² = 45 + 9 = 54 = 9*6
x [tex]=\sqrt{9*6} = 3\sqrt{6}[/tex]
===================
b ) 2² + a² = 4²
a² = 16 - 4 = 12
oraz
a² + 3² = y²
y² = 12 + 9 = 21
y = [tex]\sqrt{21}[/tex]
===============
Szczegółowe wyjaśnienie: