Find mBC using the appropriate theorems and postulates. D B 28 mec is

asked Sep 27, 2023 47.5k views

3 votes

by Funmi

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According to the angle at the center theorem, the measure of the subtended angle

mBC = 2*mmBC = 2*69°

mBC = 138°

Then, mBC equals 138°

Rithiur answered Oct 3, 2023

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