pg 221 # 11 a&b

answers

a) When point A is moved through point B angleFCE stays the same measure but changes position. b) When ray CF is parallel to AB triangle ABC isisosceles

새 자료

挂谷问题——三尖瓣形
What Do You See? (2)
希尔伯特曲线
Perpendicular Lines: Quick Exploration
Pythagorean Theorem: Extension Exercises

자료 찾기

Circle Theorems: Tangents Same Length
Angle Bisectors (Iker M. Lucero)
TMA02
Stationary Points
Quadratic Graphs - Vertex Form

주제 찾기

랜덤실험
피타고라스 정리
기하
내접원
다각형