Question

Question 5
Angles, which are both suplementary and vertically opposite are
(a) ${95}^{\circ },{85}^{\circ }$
(b) ${90}^{\circ },{90}^{\circ }$
(c) ${100}^{\circ },{80}^{\circ }$
(d) ${45}^{\circ },{45}^{\circ }$

Answer 1

Two angles are said to be supplementary, if their sum is ${180}^{\circ }$. Also if two angles are vertically opposite, then they are equal.
Therefore angles given in option (b) are supplementary as well as vertically opposite.