Question

Qual o valor de x ?

a) 8
b) 9
c) 10
d) 11
e) 13​

Answer 1

$\boxed{\boxed{\bf{\red{Olá }}}}$

Teorema de Pitágoras

Vamos aos cálculos

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$a {}^{2} = b {}^{2} + c {}^{2}$

X= a

12= b

5= c

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

Resposta: ☞︎︎︎ e) 13