20 Items:tri • two • one • zero • four • bent • three • tetra • repel • linear • double • planar • single • triple • pyramid • lonepair • geometry • electrons • molecular • tetrahedral
15 Items:Side • Area • Line • Ratio • Angle • Range • Point • Median • Polygon • Centroid • Bisector • Altitude • Circumcenter • Circumference • PythagoreanTheorem