Determine the measure of angle A in triangle ABC.
[tex]\begin{gathered} \angle A+\angle B+\angle C=180 \\ \angle A=180-56-48 \\ =76 \end{gathered}[/tex]
The triangle ABC is congruent to traingle DEF. So
[tex]\begin{gathered} \angle D=\angle A \\ x=76 \end{gathered}[/tex]
Thus value of x is 76 degree.
