लेखक- रंजनी, आईटी फॉर चेंज, बेंगलुरु 
लाइसेंस- क्रियेटिव कॉमन्स शेयर-अलाइक लाइसेंस

कोण = 1.0471975511965976 rad (slider from 0 to 6.283185307179586, step 5°)
A = (5.901, 0.184)
B = (1.76, 0.14)
A' = Rotate(A, कोण, B)
α = Angle(A, B, A')
f = Ray(B, A')
g = Ray(B, A)
C = (6.16, 3.26)
c = Circle(B, C)
D = Intersect(c, f, 1)
E = Intersect(c, g, 1)
बृत = 3 (slider from 1 to 7, step 1)
d = Circle(D, बृत)
e = Circle(E, बृत)
F = Intersect(d, e, 2)
G = Intersect(d, e, 1)
h = Ray(B, G)
β = Angle(A, B, G)
γ = Angle(G, B, D)
Curve(x) = NaN
text1: "∡ABD = " + α + "
∡ABG =" + β + "
∡GBD = " + γ + ""