Question

in the adjoining figures, <POR and <QOR form a linear pair. find the value of a and b :-

(i) a:b = 2:3

(ii) b-a = 50°

(iii) 2a= b-30°​

Answer 1

Let the first angle be 2x

Let the second angle be 3x

2x+3x=180

5x=180

x=36

The first angle=2×36=72

The second angle=3×36=108