Everybody knows from school that the area of a circle is pi r squared. But have you ever wondered how this was found - or at least some justification? Here is one way of getting the result, using integral calculus. Space to continue watching, move pages, etc Fullscreen for bitmath
All by me. Equation writing from codecogs.com/latex/eqneditor.php I also made a similar style project, proof for area of regular polygon: https://scratch.mit.edu/projects/128177896/#player Keywords: area of circle proof math maths mathematics derivation formula pi r squared pi*r^2 calculus definite integral integrals integration equation graphical animation
