CONVEX-CONCAVE RULE | Simple Animated Explanation

[@randMcnally16]

this is one of the best videos ive seen for this

[@AlexandraKopelovich]

Thank you Randy!

[@anamillon8646]

Thank you for clarifying the right one and why the other one would be wrong. Makes all questions and doubts go away!

[@hotdog2231]

Thank you for this! amazing illustration of the convex/concave rule.

[@evanatstafford9039]

killing it, great video. Thankyou!

[@deepikaaggarwal5124]

You are the best... thank you so much for making my doubts clear❤️

[@TheOriginalMarimoChan]

THANK YOU!!! NOW I understand!!!!

[@rokiaamr4312]

You are amazing sister 💕💕💕

[@merytaulfa7060]

best explanation, thank you so much

[@uhleeceeuhhh]

great video!

[@fysio_fitness_4all]

yes i understand nice

[@monaDJ139]

saving lifesss