The sum of the angle measures of a polygon w/ "s" sides is 2880. Find "s"

Please help with step-by-step explanation, so I can fully understand it. Thank you.

would it be this:

(n-2)180=2880
then
180n-360=2880
then
180n=3240
then
n=18

http://www.mathsisfun.com/geometry/interior-angles-polygons.html

Yes, that's correct

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Multiply ( 1*34) +(14* 56)

To find the number of sides (s) of a polygon when the sum of its angle measures is given, you can use the following formula:

sum of angle measures = (s - 2) * 180

In this case, you are given that the sum of the angle measures is 2880. Therefore, you can set up the equation as follows:

2880 = (s - 2) * 180

Now, let's solve for s.

Divide both sides of the equation by 180:

2880 / 180 = (s - 2)

Simplify:

16 = s - 2

To isolate s, add 2 to both sides of the equation:

16 + 2 = s

Therefore, s = 18.

So, the polygon has 18 sides.