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3/10 Adv. Alg/Trig Bell Ringer

3/10 Adv. Alg/Trig Bell Ringer. 1. A 13-foot ladder rests on a 12-foot tall house. What angle does the ladder form with the ground? 2. Solve:. HW Finish Law of Sines Independent Practice. 3/10 News and Notes. Perfection: 4 th

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3/10 Adv. Alg/Trig Bell Ringer

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  1. 3/10 Adv. Alg/Trig Bell Ringer 1. A 13-foot ladder rests on a 12-foot tall house. What angle does the ladder form with the ground? 2. Solve: HW Finish Law of Sines Independent Practice

  2. 3/10 News and Notes • Perfection: 4th • Missing Quizzes: Must be made up today after school!!! • Unit Test next Tuesday!

  3. Missing Quizzes due to AP • 2nd: Jazmyn, Jahmeelah, Ronnell, Jesus G, Jasmin H, Maria • 4th: Christian, Carlos, Victor, Jesus TODAY AFTER SCHOOL IN ROOM 218!!! Or by appointment

  4. Solve for b C b 350 cm 59° 38° A B

  5. You Just Got TREATED! TREATED! TREATED!

  6. Quick check • Up to this point, what types of triangles have we been able to use trigonometry with? • RIGHT TRIANGLES!!! • Today’s Goal?! • Apply trigonometry to triangles that are NOT right triangles.

  7. Solve for b C b 350 cm 59° 38° A B Law of Sines:

  8. Solve for b and c C b 350 cm 59° 38° A B c

  9. C b 350 cm • First find angle C 180-59-38 = C 83 = Angle C 38° A B c

  10. Solve for c – Beat the Clicker! C b 350 cm 59° 38° A B c

  11. Does our answer make sense? C • Is the longest side across from largest angle? • Is the shortest side across from shortest angle? 83° 251 cm 350 cm 59° 38° A B 405 cm

  12. Independent Practice • Practice using the Law of Sines! What you don’t finish is for homework. • We’ll finish with an Exit Ticket!

  13. Exit Ticket – Round answer to nearest whole number! B • Solve for w • What’s the measurement of angle B? 28cm w 79° 52° W C HW Finish Law of Sines Independent Practice

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