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  • Home
  • Tutoring
  • Statistics
    • AP Exam Review
    • Unit 1: Exploring & Understanding Data
    • Unit 2: Exploring Relationships Between Variables
    • Unit 3: Gathering Data
    • Unit 4: Randomness & Probability
  • Geometry
    • Estimation
    • Measurement
    • Parallel Lines
  • Pre-Algebra/Algebra I
    • C4: Writing Linear Functions
    • C3: Graphing Linear Functions
    • C2: Working with Inequalities
    • C1: Solving Linear Equations
    • Unit A: Fractions
    • Unit B: Percents
    • Unit C: Integers & Operations
    • Unit D: Verbal Expressions & Like Terms
  • Algebra 2
    • Chapter 4: Polynomial Functions
    • Chapter 3: Quadratic Equations & Complex Numbers
    • Chapter 2: Quadratic Functions
    • Chapter 1: Linear Functions
    • Review Unit C: Systems of Equations
    • Review Unit B: Functions & Relations
    • Review Unit A: Equations
Ms. Razor's Math Page

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Unit 8:  Right Triangles

Section 8.1: Pythagorean Theorem

Links to videos from the textbook 
Pythagorean Theorem Examples from Textbook
Converse of the Pythagorean Theorem Examples from Textbook

Pythagorean theorem: Pythagorean Theorem
Pythagorean theorem 1: Pythagorean Theorem 1
Pythagorean theorem 3: Pythagorean Theorem 3
The Pythagorean theorem intro: Introduction to the Pythagorean Theorem
Pythagorean theorem 2: Pythagorean Theorem 2

Section 8.2:  Special Right Triangles

Links to videos from the textbook 
Special Right Triangles Examples from the Textbook

30-60-90 triangle side ratios proof: Proving the ratios between the sides of a 30-60-90 triangle
45-45-90 triangle side ratios: Showing the ratios of the sides of a 45-45-90 triangle are 1:1:sqrt(2)
30-60-90 triangle example problem: Using what we know about 30-60-0 triangles to solve what at first seems to be a challenging problem

Section 8.3:  Beginning Trig Ratios

Links to videos from the textbook 
Beginning Trig Ratios (Tangent) from Textbook
Beginning Trig Ratios (Sine and Cosine) from Textbook

Basic trigonometry: Introduction to trigonometry
Example: Using soh cah toa: Worked example evaluating sine and cosine using soh cah toa definition.

Section 8.4:  More Trig Ratios

Links to videos from the textbook 
Solving Right Triangles Examples

Example: Trig to solve the sides and angles of a right triangle: Worked example using trigonometry to solve for the lengths of the sides of a right triangle given one of the non-right angles.

Section 8.5:  Law of Sines & Law of Cosines

Law of cosines example: