**alpha= 129 degrees 49’ 54" in 6 sec**

**Answer:**

We have to convert 129degrees49minutes54.6seconds angle to decimal degrees

So the decimal degree alpha is equal to;

alpha =129+49/60+54.6/3600= 129.83183

So the answer is

alpha = 129.83183

**alpha= 129 degrees 49’ 54" in 6 sec**

**Answer:**

We have to convert 129degrees49minutes54.6seconds angle to decimal degrees

So the decimal degree alpha is equal to;

alpha =129+49/60+54.6/3600= 129.83183

So the answer is

alpha = 129.83183