
What is the measure of AR in O below ? PLEASE HELP
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Answered by dsjoerderox0igc
Your answer should be B:142 degrees.
Answered by jdoe0001
Arcs get their angle measurement from the central angle they're in. in this case, the central ∡AOR is 142°, it just so happen that the ∡AOR is the central angle of arcAR.