Answer:
7 1/6
Step-by-step explanation:
It is an octagon if and only if it has eight sides.
n = 8
10=6+n/2
Switch sides
6 + n/2 = 10
Subtract 6 from both sides
6 + n/2 -6 = 10-6
Simplify
n/2 = 4
Multiply both sides by 2
2n/2 = 4 times 2
Hope this helps!
