Question 207226
Convert {{{7pi/9}}} from radians to degrees.

Rules:
1. To convert from radians to degrees, multiply by {{{"180°"/pi}}}
2. To convert from degrees to radians, multiply by {{{pi/"180°"}}}

Use rule 1:

{{{7pi/9 = (7pi/9)("180°"/pi)=(7cross(pi)/9)("180°"/cross(pi))=(7*"180°"/9)="140°"}}}
<br>
Edwin