Two angles, ∠1and ∠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)Responsesx°=77°x equals 77 degreesx°+77°=90°x plus 77 degrees equals 90 degreesx°=90°−77°x equals 90 degrees minus 77 degreesx°+77°=180°

Answer 1

x°+77°=180°