Question

observando o triângulo, determine o valor de X. ​

Answer 1

$\Large\boxed{\begin{array}{l}\sf x+x+10^\circ=110^\circ\\\sf 2x=110^\circ-10^\circ\\\sf 2x=100^\circ\\\sf x=\dfrac{100^\circ}{2}\\\\\sf x=50^\circ\end{array}}$