Two adjacent angles are on a straight line. One angle has a measure of (5x−28)° and the other angle has a measure of (8x)° . What is the measure of the second angle?(1 point) Responses 16° 16 degrees 52° 52 degrees 128° 128 degrees 120°
The sum of the measures of angles on a straight line is 180°.
So, (5x - 28) + (8x) = 180
Combining like terms
5x - 28 + 8x = 180
13x - 28 = 180
Adding 28 to both sides
13x = 208
Dividing by 13
x = 16
Therefore, the measure of the second angle is 8x = 8(16) = 128°.
So, the correct answer is 128°.