Which Quadrilaterals Have Inscribed Circles?

Explanations 2

• Tangential Quadrilaterals In this explanation, we explain some properties of tangential quadrilaterals and give a necessary and sufficient condition for a quadrilateral to be ta…

  By Eric Zhang, Alex Federspiel

• Tangential Quadrilaterals In this post we are going to talk about tangential quadrilaterals. Lets learn how to tell if a quadrilateral has an inscribed circle! Pitot's Theorem s…

  By Yan Yau Cheng, Alex Federspiel