Question

In Fig. 5.13. POR is a line. The value of
(a) 40
(c) 55
b) 450
(d) 60​

Answer 1

Answer:

40.................!!!!!!!!!!!

Answer 2

Answer:

since

(3a+5) + (2a-25) = 180

=> 5a-20 = 180

=> a = 160/5 = 32°