How do i make a circle in c#

Question

How do i make a circle that has the diameter that is equal to the user's input.

if possible i want it to have 2 values 1 for X and 1 for Y
example: x:3 Y:5
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another example: X: 1 Y: 1
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Answer 1

x=3 y=5 is common way u can use 4 value