# Math Help - Cyclic quadrilateral

1. ## Cyclic quadrilateral

In a cyclic quadrilateral if angle BCD =120 degrees, can the measure of arc BCD be the same 120 degrees?

2. ## Re: Cyclic quadrilateral

Originally Posted by hisajesh

In a cyclic quadrilateral if angle BCD =120 degrees, can the measure of arc BCD be the same 120 degrees?
From the given you know that $arc(DAB) = 240$

So $arc(DBC) = ?$