Triangle 1/7

作者:xlenchik

Draw any triangle and divide each leg into three equal segments. Connect each vertex to one of the trisection points on the opposite leg, as shown, and the triangle formed in the center will have 1/7 the area of the original triangle.

新资源

Piano. Keyboard.
Rotating Points (Optical Illusion)
Cross Product in 2D and 3D
van Aubel's Theorem
Simplifying Radicals: Geometric Thin Slice

发现资源

Diagonals of quadrilaterals
BS Patio - West
ارتفاعات المثلث
Reflecting shapes
Falling Parachute shared

发现主题

二项分布
圆柱
正切函数
对数函数
矩阵