Find the value of A?
A= 4 because u divide 5 by 20.
Here, the figure is quadrilateral, we know in quadrilateral, opposite angles are equal, so 20a + 30 = 17a + 4820a - 17a = 48 - 303a = 18a = 18/3a = 6In short, Your Answer would be 6Hope this helps!