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Vectors, Transformations and Mensuration by: Bryan, Aviel, Valerie :star:…

- - - - To find the directional vector: (initial point - coordinates of endpoint) OR we can use the formula to determine the position vector from A to B is AB = (xk+1 x k + 1 -xk x k ,yk+1 y k + 1 -yk y k ).
      - Position vector is a vector that starts from the origin O
    - - Vectors are written in a vertical arrangement in which x is above and y is below:
    - - Magnitude of Vectors are found by finding the modulus of the square root of x^2 + y^2:
- - - - πr²h
    - - 1/3 πr²h
    - - base area x height
    - - 4/3πr³
        
        Hemisphere: 2/3πr³ :red_flag:
  - - - ℼrl + ℼr²
        
        l represents slant height :warning:
    - - 2πrh+2πr²
    - - (2 x Base Area) +(Base Perimeter x height)
    - - 4πr²
        
        Hemisphere: 2πr² :red_flag: