Answer:
it is B
Step-by-step explanation:
hope this helps you.
Answer:
4
Step-by-step explanation:
The sum of the measures of all interior angles in triangle is always equal to 180°. So,
∠A+∠B+∠C=180°
∠B=180°-63°-49°=68°
Now use the sine rule:

Answer:
angle
Step-by-step explanation:
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