I can't read that language but I'll guess it says write a second degree equation then solve for n when d=10.



Answer: n² - 3n - 20 = 0
That doesn't factor so there is no integer n solution.
That means there are no polygons with 10 diagonals.

Answer:
this is your answer. thanks!!
Answer:
the correct answer is the third one
Step-by-step explanation:
Answer:
Infinite Solutions
Step-by-step explanation:
The lines overlap each other.
im pretty sure the answer is 0.7