Understanding Circles, Circumference, and Pie as Pi Understanding Circles, Circumference, and Pie as Pi begin-post-stats David Sisk • 30K views end-post-stats begin-duration 8:13 end-duration Math topics: _Triangle_geometry_##Triangle geometry##_Circle_##Circle##_Pi_##Pi##_Circumscribed_circle_##Circumscribed circle Other topics: _Civilizations_##Civilizations##_Ancient_Greece_##Ancient Greece##_Ancient_Rome_##Ancient Rome##_Ancient_Greek_##Ancient Greek video-id: DG2GypelzQw channel_David_Sisk_ So What Learning Civilizations , Triangle geometry Monday, January 22, 2018 Share Share