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Circle P has secants SU and TQ as shown. What is the measure of angle R?

 

 Apr 20, 2020
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Since angle(R) is exterior to the circle it will be the difference of the two intercepted arcs divided by 2.

 

angle(R)  =  ( arc(SQ) - arc(TU) ) / 2  =  ( 103 - 43 ) / 2  =  60 / 2  =  30.

 Apr 20, 2020

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