Answer: 73°
Explanation:
Let the 3rd Angle be ‘x’
By Angle Sum Property of a Triangle, the Sum of all Angles of a Triangle = 180°
1st Angle = 46°
2nd Angle = 61°
3rd Angle = x°
Therefore,
46 + 61 + x = 180
107 + x = 180
x = 180 - 107
=> x = 73
Therefore,
3rd Angle = 73°