1/10 pi as a trangle beta

W.D.G

mathematics equtation from W.D.G
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(x^2+y^2)^2(x^2+y^2-1)^2=4x^2y^2
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W.D.G

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(x^2-4y^2)(12x^2-8y^2)(32x^2-y^2)y=(x^2+y^2)^6
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W.D.G

mathematics equtation from W.D.G

/ {7 S6 V* `% \! f- e; [2 Y(x^2+y^2)^2(x^2+y^2-1)^2=4x^2y^2

W.D.G

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) k3 \7 K- p" T  {) ]* |mathematics equtation from W.D.G

(x^2-3y^2)(2y^2-16x^2)y=(x^2+y^2)^6
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W.D.G

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+ Z  z3 D: f0 pA mathematics equation from W.D.G
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(((x^2-2)^2-2)^2-2)^2+(((y^2-2)^2-2)^2-2)^2 =4
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