Question

In supplimentyr angle big angle is 18 more then small

Answer 1

Let the small angle= x

Big angle= x+18

Sum of supplementary angles is of 180

x+(x+18)= 180

2x+18=180

2x=180-18

2x=162

x=162/2=81

So, small angle will be= 81

Big angle=x+18= 81+18=99

And the sum will be (81+99)=180