quiz wed. angles of elevation and depression law of sines, law of cosines · 2019. 2. 27. · the...
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Quiz Wed.Angles of Elevation and DepressionLaw of Sines, Law of Cosines
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Find the measure of FG
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Use the Law of Sines and the Law of Cosines to solve triangles.
Objective
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You can use the Law of Sines to solve ANY triangle (doesn’t have to be right) if you are given two angle measures and any side length OR two side lengths and a non-included angle measure
Need to Memorize!!!
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Find the measure of FG. Round to the nearest tenth.
FG
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Find the measure of angle Q. Round to the nearest degree.
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Find NP. Round to the nearest tenth.
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Find AC. Round to the nearest tenth.
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Find the measure of XZ.
We cannot use Law of Sinesto solve this!
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The Law of Sines cannot be used to solve every triangle. If you know two side lengths and the included angle measure or if you know all three side lengths, you cannot use the Law of Sines. Instead, you can apply the Law of Cosines.
Do not Need to Memorize!!!
![Page 13: Quiz Wed. Angles of Elevation and Depression Law of Sines, Law of Cosines · 2019. 2. 27. · The Law of Sines cannot be used to solve every triangle. If you know two side lengths](https://reader035.vdocuments.us/reader035/viewer/2022070211/6100633d58a5d45f39287334/html5/thumbnails/13.jpg)
Find the measure of XZ. Round to the nearest tenth.
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Find the measure. Round lengths to the nearest tenth and angle measures to the nearest degree.
DE
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Homework
•Worksheet