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.

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) (Show Source): You can put this solution on YOUR website!

� - �'
�' - �'
(� - �)+('-')
(�'.....answer

so, ans could not be degree minutes because you subtracting ' from '

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