Answer:
Explanation:
opposite sides are congruent
so a + 19 = 33
a + 19 - 19 = 33 - 19
a = 14
consecutive angles are supplementary - they equal 180°
4r + 2r = 180
6r = 180
6r/6 = 180/6
r = 30
opposite angles are congruent
so 2r = z
if r = 30
2(30) = z
60 = z