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

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