Theorem no. 19

作者:fersie t. ramirez

theorem no. 19 Three circles whose centers are A, B, C respectively are tangent externally, pair by pair, at D, E, F. Prove that the inscribed circle of the triangle ABC is the circumscribed circle of the triangle DEF.

新资源

Interactive Unit Circle - Exact Trig Values
Colouring of Venn Diagram
Dividing a 3-digit number by a 1-digit number (2)
Mosaic
အခြေခံ data အခေါ်အဝေါ်များ

发现资源

Graphing a Circle
Lab 10 Function 1
Young's Double Slit Experiment
Triangle Proof Methods Cover Diagram
ROTASI PADA JARUM JAM

发现主题

等腰三角形
勾股定理
多边形
垂心
分布