Answer:

Step-by-step explanation:
Given: 
To find: angle to the nearest degree
Solution:
A triangle is a polygon that has three sides, three angles ,and three vertices.
Trigonometry explains the relationship between the sides and angles of the triangle.
The angle can be expressed in two forms: degrees or radians.

9 = 2(6) - b
9 = 12 - b
-3 = b
Answer:
A
Step-by-step explanation:
Hopefully this helps
The answer to the question
Answer:
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