BdMO Online Forum

Posted: **Mon May 16, 2016 9:13 pm**

A trapezium ABCD which is inscribed in a circle.where AB=5,BC=7,AD=4.What is CD equals to then?

Posted: **Fri Jan 13, 2017 12:56 pm**

Prove that a trapezium inscribed in a circle must be an isosceles trapezium.

inscribed trapezium in a circle