Question 465590
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Hi,
Let x and (110°-x) represent the smaller and larger angle
Question states***
 (180° - x)= 15[90°-(110-x)]
Solving for x
 (180 - x)= 15[x - 20)]
  180-x = 15x -300
     480 = 16x
        x = 30°, the smaller angle.  80° the meansure of the Larger angle

CHECKING our Answer***
  150° = 15*10°