why is the formula of a circle πr^2?what I did is speed up the long parts.
why is the formula for a circle πr^2 [Video]
by carl376 | Feb 24, 2019 | Home Learning, Homeschooling, math, Unschooling, 언스쿨링 | 0 comments
![why is the formula for a circle πr^2 [Video]](https://i0.wp.com/www.howtodostuffwithethan.com/wp-content/uploads/2019/03/Screen-Shot-2019-03-02-at-9.58.28-PM.jpg?resize=1080%2C675)
by carl376 | Feb 24, 2019 | Home Learning, Homeschooling, math, Unschooling, 언스쿨링 | 0 comments
why is the formula of a circle πr^2?what I did is speed up the long parts.
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