Respuesta:
15
Explicación paso a paso:
[tex]x^{2} +20^{2} = 25^{2}[/tex]
[tex]x^{2} + 400 = 625\\x^{2} = 225\\x = \sqrt{225} \\x = 15[/tex]
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Respuesta:
15
Explicación paso a paso:
[tex]x^{2} +20^{2} = 25^{2}[/tex]
[tex]x^{2} + 400 = 625\\x^{2} = 225\\x = \sqrt{225} \\x = 15[/tex]