Answer:

Step-by-step explanation:
Use cosine ratio.
Answer:
x(x+3)(x−10)
Step-by-step explanation:
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Answer:
Step-by-step explanation:
The sum of all the angles of a triangle always equals 180 degrees. Write down the difference you found when subtracting the sum of the two angles from 180 degrees. This is the value of X.
the answer is 0.3 in simplest form