## Introductory Algebra for College Students (7th Edition)

50$^\circ$, 50$^\circ$, and 80$^\circ$
Since two angles have the same measure, they will be represented by x. The other angle is 30$^\circ$ greater so it will be x+30. The sum of the angles in a triangle is always 180$^\circ$. x+x+x+30=180 x+x+x=180-30 x+x+x=150 3x=150 x=$\frac{150}{3}$ x=50 Therefore two angles have a measure of 50$^\circ$ x+30=(50)+30=80 The third angle has a measure of 80$^\circ$.