Geometry

Chapter 9 Right Triangles & Trigonometry
Unit 9-1 Unit 9-2 Unit 9-3 Unit 9-4 Unit 9-5 Unit 9-6 Unit 9-7
Unit 9-1 The Pythagorean Theorem Agenda
  1. Finding the Hypotenuse of a Right Triange
  2. Common Pythagorean Triples
    • 3, 4, 5
    • 5, 12, 13
    • 8, 15, 17
    • Search for More Triples
  3. Acute and Obtuse Triangles
  4. Assignment 9-1: Part A Pg. 468 #4-12 Even, 13, 14-20 Even Part B #22-34 Even
Unit 9-2 Special Right Triangles Agenda
  1. 45-45-90 Triangles
    • Using Isosceles Triangle properties
  2. 30-60-90 Triangles
    • The side opposite the 30 degree angle is half the hypotenuse
  3. Assignment 9-2: Pg. 475 #4-10 Even, 14-17, 20
Unit 9-3 Similar Right Triangles Agenda
  2. Assignment 9-3: Pg. 482 #4-10 Even, 11-16, 19-24 All, 31, 32
Unit 9-4 The Tangent Ratio Agenda
  1. The tangent ratio: opposite/adjacent
  2. Tangents of special angles 30, 45, and 60 degrees
  3. Using Tangent to solve for missing sides
  4. Assignment 9-4: Pg. 491 #3-10, 15, 16, 27, 28, 29
Proving Lines Perpendicular & Parallel Activity Proving Lines Perpendicular & Parallel Activity Solutions
Unit 9-5 The Sine and Cosine Ratios Agenda
  1. The sine ratio: opposite/hypotenuse
  2. The cosine ratio: adjacent/hypotenuse
  3. sin A = cos (90 − A); cos A = sin(90 − A)
  4. Using Sine and Cosine to solve for missing sides
  5. Assignment 9-5: Pg. 498 #3-23, 27, 28
Unit 9-6 Solving Right Triangles Agenda
  3. Assignment 9-5:
Unit 9-7 The Law of Sines & Law of Cosines Agenda
  1. Linear Equations
  2. Assignment 9-6: