Question

Two angles, ∠1 and ∠2 , in a diagram are supplementary. If m∠1=77° , what equation can you write to solve for m∠2 ? Let m∠2=x° (1 point)
Responses

x°=77°
x equals 77 degrees

x°+77°=180°
x plus 77 degrees equals 180 degrees

x°=90°−77°
x equals 90 degrees minus 77 degrees

x°+77°=90°

Answer 1

x plus 77 degrees equals 90 degrees