Respuesta :

Step-by-step explanation:

Since the 2 angles are supplementary,

(7x + 5°) + 28x = 180°.

=> 35x + 5° = 180°

=> 35x = 175°

=> x = 5°.

Hence Angle A = 7(5°) + 5° = 40°.

I think 40 degrees ....