1.π/17

2.π/6

3.16π/45

4.25.6π/180

5.71.9π/180

Step-by-step explanation:

1. 12°×π/180°

2.30°×π/180°

3.64°×π/180°

4.25.6°×π/180°

5.71.9°×π/180°

sana Tama