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Mathematics 18 Online
OpenStudy (anonymous):

convert the angle in radians to degrees . round to 2 decimal places 5 radians???

OpenStudy (anonymous):

do you know how many degrees pi radians is?

OpenStudy (anonymous):

3.14

hero (hero):

286.48

OpenStudy (anonymous):

thats right that pi = 3.14..., but how many degrees is that? if you know this, you'll remember the conversion factor.

hero (hero):

Hmm, I wonder if we're supposed to use 3.14 for pi only.

hero (hero):

I think you're right joe

OpenStudy (anonymous):

doubt it. normally this is dont with calculators. more accurate answers ftw lol

OpenStudy (anonymous):

done*

OpenStudy (anonymous):

5pi x (180/pi)... right??

OpenStudy (anonymous):

just 5, not 5 pi. it will be: \[5(\frac{180}{\pi})\]

hero (hero):

Oh, I didn't see the extra pi

OpenStudy (anonymous):

ok... thanks...

hero (hero):

Yeah, 286.48

OpenStudy (anonymous):

just remember that conversion factor. if they give you an angle in radian and you need to change it to degrees, the 180 goes on top (because its degrees) if they give you an angle in degrees, and want it converted to radians, put the pi on top (because thats radians.)

OpenStudy (anonymous):

convert the angle in degrees to radians . round to 2 decimal places 138 degrees??

OpenStudy (anonymous):

2.41 right??

OpenStudy (anonymous):

yes thats correct :)

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