Need help creating a 5 variable equation

[mathtodd05]

So, I need to create an equation that has 5 variables that calculates the coordinates of one of the corners of a shape. The variables are,
l_e = length of one of the edges. (all the edges will be the same length.
n = number of sides
d = when the center is at (0,0) and the shape rotates the d is the y value of the corner. So, when it has been rotated by nothing y_cn = y_cr = 0.
x_cr = x value of corner
y_cr = y value of corner

CONSTANTS
x_cn = the x coordinate of the center is 0
y_cn = the y coordinate of the center is 0

It seems really complex and I hope someone can figure it out.

 

[Deleted member 4993]

So, I need to create an equation that has 5 variables that calculates the coordinates of one of the corners of a shape. The variables are,
l_e = length of one of the edges. (all the edges will be the same length.
n = number of sides
d = when the center is at (0,0) and the shape rotates the d is the y value of the corner. So, when it has been rotated by nothing y_cn = y_cr = 0.
x_cr = x value of corner
y_cr = y value of corner

CONSTANTS
x_cn = the x coordinate of the center is 0
y_cn = the y coordinate of the center is 0

It seems really complex and I hope someone can figure it out.

Think through this in the case of an equilateral triangle.

Please show us what you have tried and exactly where you are stuck.

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