Question

Which of the following angle is supplement of 35°.
1. 75°
2. 145°
3. 45°
4. 55°

Answer 1

Supplementary angle

$= 180 - \alpha \\ = 180 - 35 \\ = 145$

Answer 2

2.145

because sum of supplementary angle is 180 and when we subtract 35 from 180 we get 145