Question

qual o valor de X no retangolo cateto 5, cateto adjacente, 12, hipotenusa X??

Answer 1

${c}^{2} = {a}^{2} + {b}^{2} \\ {x}^{2} = {5}^{2} + {12}^{2} \\ {x}^{2} = 25 + 144 \\ {x}^{2} = 169 \\ x = \sqrt{169} \\ x = 13$