Why is π radian = 180 degrees?????

This video will explain how is π radian = 180 degrees. You can see more videos related to this topic: https://www.youtube.com/playlist?list=PLtRMnLO6CgJfUWY-oR-Zydu-rV5bfcnBE
LIBRARY OF MATH TOPICS:

The following topics have their corresponding link that you can click. they have been arranged according to topics.

************* UNIT CIRCLE TRIGONOMETRY

How to Complete the Table of Values for Sine Function, y=sin(x) Using The Unit Circle and Special Right Triangle in Order to Sketch the Parent Graph of Sine Function: https://www.youtube.com/watch?v=pxAXUSj1Hnk&t=116s

How to Complete the Table of Values for Cosine Function, y=cos(x) Using The Unit Circle and Special Right Triangle in Order to Sketch the Parent Graph of Cosine Function: https://www.youtube.com/watch?v=s4GC7LRxT7g

How to Complete the Table of Values for Tangent Function, y=tan(x) Using The Unit Circle and Special Right Triangle in Order to Sketch the Parent Graph of Tangent Function https://www.youtube.com/watch?v=LqHv3Azk3uk&t=24s

How to Sketch the Parent Graph of Sine Function, y=sin(x) Using the Data Derived from the Unit Circle and Special Right Triangle: https://www.youtube.com/watch?v=7gyMnEln7TM&t=10s

How to Sketch the Parent Graph of Cosine Function, y=cos(x) Using the Data Derived from the Unit Circle and Special Right Triangle: https://www.youtube.com/watch?v=giCW1rGI4_M

How to Sketch the Parent Graph of Tangent Function, y=tan(x) Using the Data Derived from the Unit Circle and Special Right Triangle: https://www.youtube.com/watch?v=QbKOQsmeLa0&t=4s

Why is π radian is equal to 180 degrees? This Video will Explain the Reason Behind this Question: https://www.youtube.com/watch?v=51hSQfWUU1M&t=54s

How to Convert or Change From Radian Measures to Degree Measures and From Degree Measures to Radian Measures: https://www.youtube.com/watch?v=7B61HpdZowM&t=77s
************* POLYNOMIALS

How to Factor Quadratic Expressions or Quadratic Trinomial Expressions Using Box and Diamond or Called the Area Model Part 1: https://www.youtube.com/watch?v=SHIRadpHSkg&t=18s

How to Factor Quadratic Expressions or Quadratic Trinomial Expressions Using Box and Diamond or Called the Area Model Part 2: https://www.youtube.com/watch?v=xJGRjRMS9bg&t=6s

How to Determine if a Given Mathematical Expression is a Polynomial or Not a Polynomial: https://www.youtube.com/watch?v=VcKWuAmih6g

How to Describe the End Behavior of Polynomial Functions (as either Even Positive, Even Negative, Odd Positive, Odd Negative): https://www.youtube.com/watch?v=f5ISdPtw8iE

How to Sketch the Graph of Polynomial Function in Factored Form Along the x-axis, Based on the Degree and the Sign of the Leading Coefficient as either Even Positive, Even Negative, Odd Positive, Odd Negative) - Part 1: https://www.youtube.com/watch?v=RP7liMlPzik

How to Sketch the Graph of Polynomial Function in Factored Form Along the x-axis, Based on the Degree and the Sign of the Leading Coefficient as either Even Positive, Even Negative, Odd Positive, Odd Negative) - Part 2 - which involve multiplicity: https://www.youtube.com/watch?v=HhY-ZjW_-6k&t=91s

How to Sketch the Graph of Polynomial Functions Given the Roots / Zeros / x-intercept and a Point: https://www.youtube.com/watch?v=Yea5T-aokcQ&t=133s

How to Divide Polynomial Expressions Using Polydoku or Box Method or Area Model Part 1: https://www.youtube.com/watch?v=g7x-NxCVlJs

How to Divide Polynomial Expressions Using Polydoku or Box Method or Area Model Part 2 - this introduces the concept of factors of a polynomial: https://www.youtube.com/watch?v=iP42i9-cqS4

How to Factor Polynomial Equation, that is Changing a Standard Form to Factored Form: https://www.youtube.com/watch?v=YV3gQlB7Tb4
************* NUMBERS

How to Simplify a Square Root Using Prime Factorization: https://www.youtube.com/watch?v=RXXOuVl3U64
************* PARALLEL LINES CUT BY A TRANSVERSAL

How to Name the Angles Formed When Two Lines are Cut by a Transversal: https://www.youtube.com/watch?v=hD2iiInr6NM
************* TRIANGLE

How to Solve the Missing Side of a Triangle Using Pythagorean Theorem (with Whole Number Answers): https://www.youtube.com/watch?v=Lhti6j1cmEY

************* LOGARITHMIC FUNCTIONS

How to Change Exponential Function to Logarithmic Function and Vice Versa: https://www.youtube.com/watch?v=e3KZxY5s5iQ

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