EQ: How do you solve an oblique triangle?

TSWBAT Apply the Law of Cosines to Solving Oblique Triangles

ACT 1: . TriangleSolvingToolkit

Make a Triangle Solving Toolkit — Make a Study Guide/Toolkit for Solving Triangles… Include Pictures, Formulas and Examples of all the casesCheck w a Triangle Solver if needed

Fold 3 Pieces of Construction Paper into a Book

a) Cover Page “Triangle Toolkit” — pictures

b) 1 Page Pythagorean Theorem– include Special Right Triangles and Pythagorean Triples   Ch 7.1

c) 1 Page Trig Ratios/ “SohCahToa”   One of each Ch 7.1

d) 2 Pages Law of Sines— Include the cases AAS and ASS and one triangle w two solutions   Ch 7.2

e) 2 Pages Law of Cosines  Include SAS and SSS examples  Ch 7.3

f) 2 Pages for area formulas– to be learned on Monday. Include A=bh A=absinC and Heron’s formula

ACT 2: Practice Law of Cosines PrecalMatters Notes Ex 2-6

Law of Cosines Practice   SOLUTIONS to WS

HW: Triangle Toolkit

KhanAcademy Law of Sines and Cosines  Study Ch 7.1-7.3

EQ: How do you solve an oblique triangle

TSWBAT solve triangles w the law of sines and prove the law of cosines.

Warm-Up: The Ambiguous Case Regents Prep Example 3

Example 3:  In , a = 10, b = 16, and m<A = 30º.  How many distinct triangles can be drawn given these measurements? Solve the Triangle

Classwork: Proof of the Law of Cosines

Math Illuminations Discovery Sheet

TH Quiz: Solve the triangle where A=40 , b=12, a=8. (hint, there may be two solutions) Chapter 7.2 into Ch 7.3

EQ: How do you solve oblique triangles?

TSWBAT solve AAS/ASA triangles using the law of sines as well as understand the Ambiguous Case of SSA/ASS

Warm-Up- Mini Test (16 points)   — MiniTestFeb25

Class Notes p 2-5 from Korpis World Law of Sines

HW: KhanAcademy Law of Sines

5 Extra Credit Quiz Points for students with less than 70%

Radian the Snowman