Respuesta :

tanweeleong195oxyqwp

Answer:

300°

Step-by-step explanation:

Given from the diagram:

Angle a° = 180° (Single angle on a straight line)

Angle c° + 60° = 180° (Sum of angles on a straight line)

Angle c° = 180° - 60° = 120°

Angle a° + c° = 180° + 120° = 300°

zarampa

Answer:

a + c = 300°

Step-by-step explanation:

a = 180°

c = 180° -  60° = 120°

a + c = 180° + 120° = 300°