Evaluate 80 o -30 o 40\'50\'\'= I dont kno where to start. All I know is that th

Question

Evaluate 80o-30o40'50''= I dont kno where to start. All I know is that there are twoangles...one measuring 80 degrees and the other 30 degrees. Andthere is something with 40 minutes and 50 seconds. Im so confused!plz help!! My teacher told us to take it home and work on it...Icant find any sites or anything on this stuff. Thanks inadvance!!! :) Evaluate 80o-30o40'50''= I dont kno where to start. All I know is that there are twoangles...one measuring 80 degrees and the other 30 degrees. Andthere is something with 40 minutes and 50 seconds. Im so confused!plz help!! My teacher told us to take it home and work on it...Icant find any sites or anything on this stuff. Thanks inadvance!!! :)

Explanation / Answer

30 degrees 40 minutes and 50 seconds is an angle you take 50/60 to get the decimal of the minutes therefore50/60=0.83333333 This simplifies the previous to 30 degrees 40.833333 minutes then take the 40.833333 minutes and divide by sixty to get it interms of degrees 40.83333333/60= 0.68055555555 add that decimal to the degrees and then use subtraction to findyour answer 80-30.680555555= ??? Hope this helps!

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