9 - (10d) = 11
Add 9 to both sides.
10d = 20
Divide both sides by 10.
d = 2
The answer is d = 2.
3 as an improper fraction is 3/1
3 7/10 as an improper fraction is 37/10
hope this helps! :))
Answer:
Step-by-step explanation:
By the tangent ratio, 
. Substituting the given values into this equation gives us:
° 
° 
(Multiply both sides of the equation by 
)
(Divide both sides of the equation by 
)
Hope this helps!
