9°
Step-by-step explanation:
In the given diagram we see that both the angles are complementary i.e. they form an angle of 90°
So therefore,
According to the question
Answer - d = 9°
Hope it helps you!!
#IndianMurgaツ
Answer:
d is 9
(6d+8) + (3d+1)=90
9d +9=90
9d=90-9
9d =81
d=81/9
Here is the graph with your line in it.