The shape has 7 sides.
The sum of the interior angles is (7-2)180 = 5 * 180 = 900 degrees.
Divide the total sum by 7:
X = 900 /7 = 128.6 degrees.
Answer:
I hope whoever that is answers
Step-by-step explanation:
I can't see the whole question and which one do you need?
'n' = a number
the algebraic form is:
n + 9
