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
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.
Recent Comments