Odpowiedź:
[tex]a)\\ 7^{2} +3^{2} =x^{2} \\49+9=x^{2} \\x^{2} =58/ \sqrt{} \\x=\sqrt{58} \\\\b)\\3^{2} +y^{2} =(3\sqrt{5} )^{2} \\9+y^{2} =9*5\\9+y^{2} =45\\y^{2} =45-9\\y^{2} =36 /\sqrt{} \\y=6\\\\c)\\5^{2} +z^{2} =6^{2} \\25+z^{2} =36\\z^{2} =36-25\\z^{2} =11/\sqrt{} \\z=\sqrt{11}[/tex]
Szczegółowe wyjaśnienie:
