Question

1. The measures of two angles are in the ratio 11 : 9 and they are supplementary
angles. What are their measures in degrees?​

Answer 1

Answer:

11x=11×9=99°

9x=9×9=81°

Step-by-step explanation:

11x+9x=180°

20x=180°

x=180°/20

x=9

11x=11×9=99°

9x=9×9=81°