Answer:
140 degree or Answer D
Step-by-step explanation:
140 degrees is the answer for a Nonagon
Answer:
x²-9=x²-3²=(x+3)(x-3)
Step-by-step explanation:
use formula
a²-b²=(a+b)(a-b)
Answer:
I bet you're smarter than me so you can figure it out
Step-by-step explanation:
good thing you aint like me