Question

8. Are the following pairs of angles complementary?
(1) 20° and 70°
(iii) 54º and of a right angle
(ii) 27°38' and 42°23
(iv) (x +36) and (44 - x)​

Answer 1

Answer:

(1) 20° and 70° are complementary angles as their sum is 90°

Checking the other options we can't get their sum as 90°.

Hope this helps you.