SOLUTION: How to calculate complementary angle of 20 degree 5 minute. If i subtract 90 degree - 20 degree 5 minute i get 89 degree 60 minute - 20 degree 50 minute = 69 degree 10 minute.

Algebra ->  Angles -> SOLUTION: How to calculate complementary angle of 20 degree 5 minute. If i subtract 90 degree - 20 degree 5 minute i get 89 degree 60 minute - 20 degree 50 minute = 69 degree 10 minute.       Log On


   

Question 693845: How to calculate complementary angle of 20 degree 5 minute.
If i subtract 90 degree - 20 degree 5 minute
i get 89 degree 60 minute - 20 degree 50 minute
= 69 degree 10 minute.
But ans should be 69 degree 5 minute. How to get this. Please help.
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

90° - 20°+5'
89°+60' - 20°+5'
(89° - 20°)+(+60'-+5')
(69°+55'.....answer

so, ans could not be 69 degree 5 minutes because you subtracting +5' from +60'