Odpowiedź:
a)
[tex](4\sqrt5)^2=4^2+y^2\\80=16+y^1\\y^2=80-16\\y^2=64\\y=8\\\\\\b)\\6^2=z^2+(\frac{8}{2})^2 \\36=z^2+16\\z^2=36-16\\z^2=20\\z=2\sqrt5[/tex]
Szczegółowe wyjaśnienie:
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Odpowiedź:
a)
[tex](4\sqrt5)^2=4^2+y^2\\80=16+y^1\\y^2=80-16\\y^2=64\\y=8\\\\\\b)\\6^2=z^2+(\frac{8}{2})^2 \\36=z^2+16\\z^2=36-16\\z^2=20\\z=2\sqrt5[/tex]
Szczegółowe wyjaśnienie: