9514 1404 393
Answer:
s = 53°
Step-by-step explanation:
The sum of angles in a triangle is 180°.
(s -20°) +(2s) + 41° = 180°
3s +21° = 180° . . . . . . . . . . collect terms
s +7° = 60° . . . . . . . . . . divide by 3
s = 53° . . . . . . . . . . subtract 7°
