Answer for the equation by elimination
Solve (-36 4/9)- (-10 2/9)- (18 2/9)
1 answer:
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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.
