algebra 2 13.5 law of sines - mhskoops.files.wordpress.com · 1/13/2020 · algebra 2 13.5 law of...
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Algebra 213.5 Law of Sines
Learning Target:Use the Law of Sines to find the
angles and sides of a non-right triangle. [G.SRT.11]
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Solve for each triangle. Round to nearest tenth.
1.A = ______
a = ______
c = ______
2. In ∆GHJ, m∠H = 96°, j = 17, h =19
G = ______
J = ______
g = ______
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E = ______
F = ______
e = ______
3. In ∆DEF, m∠D = 51˚, d = 18, f = 17
Assignment: 13.5 Worksheet with review
problems from 13.1,4
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Answers to 13.5 WS
5. C
Front
Back1. 7√3 2. √30 / 3 3. √15 / 104. √3 / 2 5. 2√5 / 5 6. 11√7 / 28
7. sin θ = 2√13 / 13 csc θ = √13 / 2
cos θ = 3√13 / 13 sec θ = √13 / 3
tan θ = 2 / 3 cot θ = 3 / 2
8. 0.4452 9. 1.4396 10. 4.8097
11. A = 65˚ b = 3.7 c = 8.8
12. A = 60˚ B = 30˚ a = 8.7