Answer:
Step-by-step explanation:
Apply triangle interior theorem,
In a concert hall, 250 seats out of 300 seats were occupied. To the nearest thousandth, what part of the hall was not occupied?
1 answer:
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Answer:
Angle C measures:
Step-by-step explanation:
When you know the length of the three sides of the triangle and not a single angle, the law of sines is of no use. You need to use the law of cosines. In your case, since you want to find angle "C", you use the following;
