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)

x°=77°

x°=90°−77°

x°+77°=180°

x°+77°=90°

1 answer

The correct equation to solve for m∠2 would be:

x°+77°=180°