Nonagon - 9 sides
Sum of interior angle of a polygon is (n-2)180 = x
N is the number of sides, so when you plug in 1260 for x, you get 9 for n
Answer:
Hey
Step-by-step explanation:
Answer is b. 42
2(17+6)−4
Answer:
1/2
Step-by-step explanation:
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