Question

plz plz help me plz solve the the ouestion no15 and 16

Answer 1

15 angles are 60 and 30 degree
16 let ratio be 6x and 9 x
6x+9x=180
15x=180
x=12

Answer 2

ratio of supplementary angles = 9:6
sum of supplementary angles = 180°

according to question
9x + 6x = 180°
15x = 180°
x = 180/15
= 12 ans.
hope it helps you