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I need some help with this circle theorem question?
I need to find a using circle theorems. Picture may be a bit blurry, the angle COA is 56 and the angle CBO is a
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- texmanLv 73 years ago
The measure of a central angle = the measure of the arc created by that central angle. So, arc CA = 56 degrees
An inscribed angle = 1/2 the intersected arc. So, <CBA = (1/2) measure of arc CA. So, a = (1/2) 56 = 28 degrees.
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