Two supplementary angles have the following measures M angle a BC equals 135° and M angle CBD equals 9X what is the equation to solve for X would it be 9X +135° equals 90° or 9X -135° equals 180° or 9X equals 180° or 9X +135° equals 180°
1 answer
The correct equation to solve for X would be: 9X + 135° = 180°.