Which equation correctly describes the relationship between the measures of the angles and arcs formed by the interesting secants?

m∠1=12(mAB+mCD)

m∠1=12mAB

m∠1=mAB+mCD

m∠1=12(mAB−mCD)

Guest Jun 7, 2019

edited by
Guest
Jun 7, 2019

edited by Guest Jun 7, 2019

edited by Guest Jun 7, 2019

edited by Guest Jun 7, 2019

edited by Guest Jun 7, 2019