Answer:
answer: 4.5
Step-by-step explanation:
2x=3+6
2x=9
x=9/2
x=4.5
Answer:
X+y=180, Y=Z, X+Z=180
Step-by-step explanation:
Hope this helps. i remember doing this.
Answer:
6
Step-by-step explanation:
If it is hexagon, 6 sides
1 side = 3x+5
6 sides = 6(3x+5)
perimeter
18x + 30