Question

if two supplementary angles differ by 20,then find each angle. ​

Answer 1

Answer:

the angles are 80&100

Step-by-step explanation:

let the angles are ,x and x-20

x+x-20=180

2x=180+20

2x=200

x=100

x-20=100-20

x-20=80

so, angles are 80&100