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Please help

 

 Oct 11, 2018
 #1
avatar+101369 
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The 110° angle  will subtend a major arc of  twice its measure  = 220°

So...the remaining minor arc subtended by its endpoints = 360 -  220  = 140° 

 

The  105° angle will subtend a major arc of twice its measure = 210°

So...the remaining minor arc subtended by its endpoints  = 360 - 210  = 150°

 

So....the major arc intercepted by  the enpoints of  α  =  150 + 140  = 290°

 

And its measure is  1/2  of this   =  1/2 * 290   = 145°

 

 

cool cool cool

 Oct 11, 2018
edited by CPhill  Oct 11, 2018
 #2
avatar+464 
0

Thank you so much Chris

 Oct 11, 2018

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