How to convert 42°10' in decimal form

Question

the  hypotenuse is 32.0 and the ‘eye’ is 40°10' and basically I need 40°10' to be converted into a decimall so I can complete this.

Answer 1

Recall there are 60 minutes in 1 degree.

 

60' = 1°

 

10' = (1/6)° ≅ 0.1667°

 

42°10' ≅ 42° + 0.1667° = ? °