Build a Triangle from Medians - II

作者:Judah L Schwartz

Can the medians of a triangles always be used to make a new triangle. Can you prove it? Why is the ratio of the areas of the two triangles constant? Why does it have the value it has?

新资源

Linear Equation Graphs: Thin Slice
Laundry Basket
Perpendicular Lines: Quick Exploration
Segment Addition Postulate (Mild Questions)
Graphing Basic and Compound Inequalities

发现资源

base 1 und 3
Related angles
Barry_Period4_TwoTransformations
原点を通る2次関数の最大・最小
Inverse Trig Functions and Unit Circle

发现主题

数学
方程
立方体
抛物线
椭圆