Ask your own question, for FREE!
Mathematics 13 Online
OpenStudy (anonymous):

Circumscribed Circle http://prntscr.com/3w7mkt

OpenStudy (anonymous):

notice that <ABC is 90 degrees... this implies that points C and A are on the same diameter. therefore <ADC must also be 90 degrees. now that you have 3 interior angles in the quadrilateral, it's easy to find the fourth angle, <DCB.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!