Question

Find the magnitude of an angle which is 2/3 of its supplement​

Answer 1

Answer:

72°will be the ans

Step-by-step explanation:

supplementry angle means the sum of two angle will be 180°.

let , first angle be x than another will be 180°-x

x= (180°-x)2/3

3x/2=180°-x

3x/2+x=5x/2=180°

180×2÷5=x

x=72°