Answer:
4.Ans: intersection part of set
5.58
Step-by-step explanation:
720° :)
You can find the total interior angle for any shape using the following (n being the number of sides):
S = ( n - 2 ) × 180 °
S = (6-2) * 180
S = 720
x=9
y=16
z=12
220.5
i dont know how to show my work sorry :) hope it helps