+0  
 
0
49
1
avatar

In triangle ABC, the angles A, B, C form an arithmetic sequence.  if A = 17 degrees, then what is angle C, in degrees?

 Oct 25, 2021
 #1
avatar+1582 
0

d => cammon difference

  A     +   B       +      C      = 180

17 + (17 + d) + (17 + 2d) = 180

d = 43

Angle C = 17 + 2d = 103 degrees

 Oct 25, 2021

7 Online Users