Question

Item 1

Angle A and angle B are supplementary angles.

What must be true about the angles?


The sum of the angles is 180°.

The angles were formed by two intersecting lines and are on opposite sides.

The sum of the angles is 90°.

The angles share a common side and vertex.

Answer 1

The sum of the angles is 180 degrees.

Hope this helps! :)

Answer 2

The sum of the angles is 180°.

Explanation:

If Angle A and angle B are supplementary angles.

Supplementary means they add to 180 degrees.