I nailed it Mr. Nelson #12

作者:nelsone

The medians of any triangle meet at a single point called the CENTROID. (The median of a triangle is a line segment from a vertex to the midpoint of the opposite side.)

新资源

Isosceles Right Triangle
Function Art 3D - Flower
Function art 3D - waiting shed
Linear Equation Graphs: Thin Slice
Writing and Graphing Proportional Relationships (k>0)

发现资源

Quadratic Function with a,b,c sliders with slope at x=0 and Axis Symmetry
Exterior Angles
חיבור שלושה וקטורים גיאומטריים
Proof Without Words
Goat tethered to a silo

发现主题

周长
曲面
平均数
加法
平移