(i) Sum of two angles forming a linear pair is 180°. (ii) Sum of vertically opposite angles is 90°.

Question

Identify True or False :

(i) Sum of two angles forming a linear pair is 180°.
(ii) Sum of vertically opposite angles is 90°.
(iii) If two angles are supplementary than their sum is 180°.
(iv) If two adjacent angles are supplementary then they are called a linear pair.

Answer 1

(i) True
(ii) False
(iii) True
(iv) True