Question

Please solve this question ​

Answer 1

Step-by-step explanation:

$x = 60 \\ y = 40 \\ z = 80 \\ x + y + z = 60 + 40 + 80 = 180$

That is the overall angle of a triangle

Answer 2

Answer:

From the attachment:

x = 120°

y = 100°

z = 140°

x + y + z = 120 + 100 + 140 = 360°