SOLUTION: How do i find the missing angle of a trapezoid if I only have 1 angle that is 40 the other angles are x-11 2x-1 and x

Algebra ->  Polygons -> SOLUTION: How do i find the missing angle of a trapezoid if I only have 1 angle that is 40 the other angles are x-11 2x-1 and x      Log On


   



Question 250286: How do i find the missing angle of a trapezoid if I only have 1 angle that is 40
the other angles are x-11 2x-1 and x

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
the sum of the angles is 360
so
x-11+2x-1 + x+40=360
solve for x then go back and calculate the angles.