Respuesta :

Explanation

Part A

[tex]\begin{gathered} x+53+68=180\text{ ---- (sum of angles in a triangles)} \\ x=180-121 \\ x=59 \end{gathered}[/tex]

Answer A: 59 degress

Part B

[tex]\begin{gathered} x+46+71=180\text{ ---- (sum of angles in a triangles)} \\ x=180-117 \\ x=63 \end{gathered}[/tex]

Answer: 63 degrees

Part C

[tex]\begin{gathered} x+x+24=180\text{ ---- (sum of angles in a triangles)} \\ 2x=180-24 \\ 2x=156 \\ x=\frac{156}{2} \\ x=78 \end{gathered}[/tex]

Answer: 78 degrees

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