I have a problem I don't get it.   In quadrilaterel abcd is inscribed in a circle. angle a and d is unknown. but angle b is 198 degress and angle c is 204 degress. how would i found the degrees of quarrilaterel abcd. please help me detail. thanks.

Guest Feb 27, 2017

1+0 Answers


The sum of the FOUR interior angles of a quadrilateral = 360 degrees.   You have TWO angles that total  402 degrees.....are you sure your numbers are correct?   Do you have the diagram???

ElectricPavlov  Feb 27, 2017

12 Online Users

We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details