Question

Two supplementary angles are in the ratio of 5:7​

Answer 1

Step-by-step explanation:

let the common multiple be x

therefore 5x + 7x = 180

12x = 180

x= 180/12

x= 15

therefore 5x = 5 × 15

= 75°

and 7x = 7 × 15

= 105°