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In triangle ABC, the angles A,B and C form an arithmetic sequence. If < A = 23 degrees, then what is

 Apr 21, 2020
 #1
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it doesnt seem to let me type the full sentence but what is

 Apr 21, 2020
 #2
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A  +  A+x  + A+ 2x  = 180

69 + 3x = 180

 

 

x = common difference =  37       Angle  A = 23 o    Angle B = 23+37 = 60o    Angle C = 23 + 2* 37 = 97 o

 Apr 21, 2020

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