Respuesta :

Answer:

180-20 = 160 = sum of the other two angles

3/(3+5) = 3/8 x 160 = 60 degrees

5/(3+5) = 5/8 x 160 = 100 degrees

or in radians the other two angles are pi/3 and 5pi/9

Step-by-step explanation:

THIS ANSWER IS CORRECT

BRAIN LESS ANSWER