contestada

1. If triangle ABC is congruent to triangle DEF, DE=17, EF =13, DF =9, and BC = 2x-5, then which of the following is the correctvalue of x?(1) 5(3) 9(2) 7(4) 11

Respuesta :

If both trianlges are congruent, we get that:

[tex]BC=DE[/tex]

This way,

[tex]2x-5=17[/tex]

Solving for x :

[tex]\begin{gathered} 2x-5=17 \\ \rightarrow2x=17+5 \\ \rightarrow2x=22 \\ \Rightarrow x=11 \end{gathered}[/tex]

This way, we get that x = 11

Answer: Option 4