Suppose, for each triangle in the diagram, the measurements that are labeled are known, while the other measurements are unknown. In which triangle can you directly substitute known values into the Law of Cosines to find an unknown side or angle? ∆ABC ∆DEF ∆XYZ ∆PQR ∆JKL

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Suppose, for each triangle in the diagram, the measurements that are labeled are known, while the other measurements are unknown. In which triangle can you directly substitute known values into the Law of Cosines to find an unknown side or angle? ∆ABC ∆DEF ∆XYZ ∆PQR ∆JKL

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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im thinking its either the 3rd one or last one ?

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cant open the pic file
hmm one second
http://contentlaunch.ple.platoweb.com/testimagedb/a1/a1ea84031b29c21f5618af16a32f270c
try that
nope. try taking a screenshot and uploading it a a png
sorry, can't get it opened. For law of cosines you either need to know - all 3 sides or - 2 sides and the angle for the side you don't know
the one with 3 sides pqr

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