Question 980353
x is the angle
complement is (90-x)
supplement is (180-x)
Therefore, (90-x)+40=(1/2)(180-x)
90-x+40=90 -(1/2)x
(x/2)=40
x=80 degrees
complement is 10 degrees
supplement is 100 degrees; half the supplement is 50 degrees, and 40 less is 10 degrees as a check.