Rhombus

All sides have the same length.
Side length a
Distance between two sides h
Side length a
Distance between two sides h
Circumfirence U=4a
Area A=a*h
Angle alpha=arcsin(A/(a*a))
Diagonal e=2*a*cos(alpha/2)
Diagonal f=2*a*sin(alpha/2)
Radius of inner circle r=a/2*sin(alpha)
Attention: Formulas are not correct yet. Website under construction.



 



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