Respuesta :
Interal angles sum: 180(3-2) = 180
6x + 2x + 40 + 2x + 40 = 180
10x + 80 = 180
10x = 100
x = 10
x(6) = 60
Your answer: 60
Interal angles sum: 180(3-2) = 180
6x + 2x + 40 + 2x + 40 = 180
10x + 80 = 180
10x = 100
x = 10
x(6) = 60
Your answer: 60