Respuesta :
Supplementary angles equal to 180 degrees.
So you can set up an equation and have x be the measure of Angle A.
73 + x = 180
Solve for x.
x = 107
So you can set up an equation and have x be the measure of Angle A.
73 + x = 180
Solve for x.
x = 107
supplementary means adds to 180
A+B=180
B=73
A+73=180
minus 73 both sides
A+73-73=180-73
A+0=107
A=107
A=107 degrees
A+B=180
B=73
A+73=180
minus 73 both sides
A+73-73=180-73
A+0=107
A=107
A=107 degrees