public void Circumference_Radius_Tests(float value)
{
float circumference = Geometry.Circumference(value);
float radius = Geometry.Radius(circumference);
float circumferenceBack = Geometry.Circumference(radius);
Assert.AreEqual(value, radius, "Calculated radius does not equal input radius.");
Assert.AreEqual(circumference, circumferenceBack, "Recalculated circumference does not equal initial circumference");
}