Answer:
x=17
Step-by-step explanation:
x/2 = 8.5
multiply both sides by 2
x/2(2)=8.5(2)
x= 17
Answer Check:
substitute x for 17
17/2= 8.5
8.5=8.5
(180 - 132)=48
I hope this help
Its simple
Step-by-step explanation:
hope you can understand
3 sided- triangle
4 sided- quadrilateral- square, rectangle, trapezoid, etc
5 sided- pentagon
6 sided- hexagon
7 sided- heptagon
8 sided- octagon
9 sided- nonagon