Question

Express in radians
110° 30'​

Answer 1

Hope you can understand

Answer 2

110°30'

=> 60'=1°

=> 30' = 0.5°

So,

110°30'

=>110.5°

We know,

1° = (180/π) radians

then,

110.5° = 180/π × 110.5°

=>19890/π

=>6334.39 radians

Cheers!