Answer:
1260°
Step-by-step explanation:
Given:n = 9 sidesRequired:Sum of interior angles?Solution:SIA = (n-2) x 180SIA = (9-2) x 180SIA = 7 x 180SIA = 1260°
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Answers & Comments
Answer:
1260°
Step-by-step explanation:
Given:
n = 9 sides
Required:
Sum of interior angles?
Solution:
SIA = (n-2) x 180
SIA = (9-2) x 180
SIA = 7 x 180
SIA = 1260°