Answer:
number of sides: 18 sides
<u>Explanation</u>:
Total Interior angle = ( n - 2 ) * 180°
Using the formula:
2880° = ( n - 2) * 180°
n - 2 = 16
n = 16 + 2
n = 18 sides
It is A
Step-by-step explanation:
x * 5 - 17 = -8
Simplify the equation.
5x - 17 = -8
Add 17 to both sides of the equation.
5x = 9
Divide both sides by 5.
x = 1.8