3 years ago

Determine the unknown side length using the law of cosines. Please help, thank you!

Mathematics

2 answers:

Veseljchak [2.6K]3 years ago

5 0

Answer:

x = $\sqrt{7^{2} + 5^{2} - 2 .7.5.cos 42}$ = ~4.689

Hope you find it useful, bro!

natka813 [3]3 years ago

4 0

Answer:

x = \sqrt{7^{2} + 5^{2} - 2 .7.5.cos 42} = ~4.689

Step-by-step explanation:

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