asked 78.9k views
1 vote
⭐️Would Appreciate Help

⭐️Would Appreciate Help-example-1
asked
User Michal M
by
7.9k points

1 Answer

4 votes
Law of cosine:)
a^2=11^2+13^2-2(11)(13)cos108°
answered
User RQube
by
9.2k points

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