Answer:
a=20
Explanation:
In a parallelogram, the opposite angles are congruent.
Therefore:
[tex]6a-4=4a+36[/tex]
We solve for a.
[tex]\begin{gathered} 6a-4a=36+4 \\ 2a=40 \\ a=\frac{40}{2} \\ a=20\degree \end{gathered}[/tex]
The value of a in the parallelogram is 20.
