Question

What is the supplement of an angle that measures 77°
?(1 point)
Responses

The supplement is 103°
because 180°−77°=103°
.
The supplement is 103 degrees because 180 degrees minus 77 degrees equals 103 degrees .

The supplement of the angle is 13°
because 90°−77°=13°
.
The supplement of the angle is 13 degrees because 90 degrees minus 77 degrees equals 13 degrees .

The supplement of the angle is 77°
because supplementary angles are congruent.
The supplement of the angle is 77 degrees because supplementary angles are congruent.

The supplement of the angle is −103°
because 77°−180°=−103°
.

Answer 1

The supplement is 103° because supplementary angles add to 180°, and 180° − 77° = 103°.