Question

8. Angles which are both supplementary and vertically opposite a) 95°, 85° (b) 90°, 90° (c) 100°, 80° (d) 45°, 45°

Answer 1

The angles which are supplementary and vertically opposite here is option (b) 90 degrees and 90 degrees

Angles are said tyo be supplementary when the two angles sum up to 180 degrees.

Angles are also vertically opposite when they are equal

So the option that satisfies this condition is:

(b) 90 degrees and 90 degrees