Butterfly Theorem

Author:jorj.kowszun

Let M be the midpoint of a chord PQ of a circle, through which two other chords AB and CD are drawn; AD cuts PQ at X and BC cuts PQ at Y. Prove that M is also the midpoint of XY

New Resources

Flip A Bunch of Coins
z`]]
Experiments with Transformations in the Plane
Basic Percent Exercises (V2)
အခြေခံ data အခေါ်အဝေါ်များ

Discover Resources

difference square
bellakayepractice1718
Cubic Graph with leading negative shifted
LV.VO.2015.10.4
Parellel Segments: Longer or Shorter?

Discover Topics

Pie Chart or Circle Chart
Upper and Lower Sum or Riemann Sum
Tangent Function
Natural Numbers
Median Value