Question

Observe atentamente a figura abaixo: 
* O valor da incógnita x é?

x=12 x=5 x=6 x=10 x=14​

Answer 1

$\Large\boxed{\begin{array}{l}\underline{\rm Pelo~teorema~de~Pit\acute agoras~temos:}\\\sf (x+1)^2=5^2+x^2\\\sf \diagup\!\!\!\!x^2+2x+1=25+\diagup\!\!\!\!\!x^2\\\sf 2x=25-1\\\sf 2x=24\\\sf x=\dfrac{24}{2}\\\sf x=12\end{array}}$