Geometry
Chapter 8 Right Triangles & Trigonometry
Unit 8-1 Similarity in Right Triangles
- Standard 8a: Use geometric mean to find segment lengths in right triangles.
- Standard 8b: Apply similarity relationships in right triangles to solve problems.
Agenda
- Right Triangle Similarity
- Geometric Means
- Assignment 8-1: Part A Pg. 537 #11-26 Part B 27-32, 36-42, 47-49
Unit 8-2 Trigonometric Ratios
- Standard 8c: Find the sine, cosine, and tangent of an acute angle.
- Standard 8d: Use trigonometric ratios to find side lengths in right triangles and to solve real-world problems.
Agenda
- Ratios of Sides in Similar Triangles
- Assignment 8-2: Part A Pg. 545#3-17, 37, 40, 41 Part B Pg 545 #22-33, 38, 39, 42-48, 57-60, 62, 68-72, 75-77
Unit 8-3 Solving Right Triangles
- Standard 8e: Use trigonometric ratios to find angle measures in right triangles and
to solve real-world problems.
Agenda
- Using Sine, Cosine, and Tangent to Find Missing Sides
- Using the Trig Inverse Functions to Find Missing Angles
- Assignment 8-3: Pg. 556 #22-44 even, 55-61 odd
Unit 8-4 Angles of Elevation & Depression
Agenda
- Assignment 8-4:
- Screencast
- Powerpoint
- PDF Slides
- Desmos
Unit 8-5 Law of Sines & Law of Cosines
- Standard 8f: Use the Law of Sines and the Law of Cosines to solve triangles.
Agenda
- Law of Sines with non-right Triangles
- Law of Cosines with non-right Triangles
- Assignment 8-5: Part A Pg. 573 #23-25, 29-35 odd, 38, 51-53 Part B #10-15, 26-38 Even
Unit 8-6 Vectors
- Standard 8g: Find the magnitude and direction of a vector.
- Standard 8h: Use vectors and vector addition to solve real- world problems.
Agenda
- A Vector is Just the Hypotenuse! ...but with a little more Direction
- Component Forms of Vectors
- Assignment 8-6:Part A Pg. 581 #1-6, 8-26 even Part B #32-42 even, 45, 47, 55