How do you change #(7pi)/9# radians to degree measure?

1 Answer
Mar 4, 2018

#color(green)(140^@#

Explanation:

Radians to degrees

#d^@ =( r^c * 360) / (2pi)#

Given #r = ((7pi)/9)^c#

#d = ((7 cancel(color(blue)(pi))) * cancel(360)^color(red)(20)) / (cancel(9 * 2 )cancel (color(blue)(pi)) #

#=> 7 * 20 = color(green)(140^@#