Phytagoras
[tex] KL = \sqrt{ {KM}^{2} - {LM}^{2} } = \sqrt{ {13}^{2} - {12}^{2} } \\ KL = \sqrt{169 - 144} = \sqrt{25} = 5 \: cm[/tex]
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Phytagoras
[tex] KL = \sqrt{ {KM}^{2} - {LM}^{2} } = \sqrt{ {13}^{2} - {12}^{2} } \\ KL = \sqrt{169 - 144} = \sqrt{25} = 5 \: cm[/tex]