Explicación paso a paso:
[tex]por \: teorema \: de \: Pitágoras \\ { c}^{2} = {a}^{2} + {b}^{2} \\ {b}^{2} = {c}^{2} - {a}^{2} \\ {b}^{2} = \sqrt{( {c}^{2} - {a}^{2}) } \\ b = \sqrt{ {10}^{2} - {2 \sqrt{19} }^{2} } \\ b = \sqrt{(100) - 4(19))} \\ b = \sqrt{100 - 76} \\ b = \sqrt{24} \\ b = \sqrt{ {2}^{2} \times 6 } \\ b = \sqrt{ {2}^{2} } \sqrt{6} \\ b = 2 \sqrt{6} [/tex]
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Explicación paso a paso:
[tex]por \: teorema \: de \: Pitágoras \\ { c}^{2} = {a}^{2} + {b}^{2} \\ {b}^{2} = {c}^{2} - {a}^{2} \\ {b}^{2} = \sqrt{( {c}^{2} - {a}^{2}) } \\ b = \sqrt{ {10}^{2} - {2 \sqrt{19} }^{2} } \\ b = \sqrt{(100) - 4(19))} \\ b = \sqrt{100 - 76} \\ b = \sqrt{24} \\ b = \sqrt{ {2}^{2} \times 6 } \\ b = \sqrt{ {2}^{2} } \sqrt{6} \\ b = 2 \sqrt{6} [/tex]