The angles shown below are supplementary: A pair of supplementary angles is shown. One angle measures 10x and the other angle measures 80 degrees. What is the value of x? 10° 11° 20° 22°
a straight line is equal to 180 degrees and this shows 80 degrees then 10 and then you would do 180 minus 80=100 the you do 100 divided by 10 and you answer is 10