The kite has two pairs of two pairs of equal-length sides.
length a=
length b=
diagonal f=


length a=
length b=
diagonal f=
Circumfirence U=2(a+b) =
Diagonal f=sqrt(2*(a*a*b*b+a*a*e*e+b*b*e*e)-a^4-b^4-e^4)/e =
Section p=(a*a-b*b+e*e)/(2*e) =
Section q=(-a*a+b*b+e*e)/(2*e) =
Area A=e*f/2 =
Angle alpha= arccos((-a*a+b*b+e*e)/(2*a*e)) =
Angle beta= arccos((-a*a-b*b+e*e)/(2*a*b)) =
Angle gamma= 2*arccos((a*a-b*b+e*e)/(2*e*b)) =



Description at Wikipedia

deesKite
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