Jenifermorales101
23.11.2019 •
Mathematics
What is the value of a?
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round only your final answer to the nearest whole number.
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Ответ:
a = 15
Step-by-step explanation:
The Law of Cosines
a^2 = 13^2 + 14^2 - 2(13)(14)Cos(67.4)
a^2 = 169 + 196 - (364 * 0.3843)
a^2 = 365 -140
a^2 = 225
a = 15
Ответ:
For this case, we have by definition the law of cosine states that:
We have to:
Substituting:
Rounding off we have:
Ответ:
1428m
Step-by-step explanation: