显示阴影

A = (3, 8)
B = (7, 8)
C = (7, 11)
D = (3, 11)
f = Segment(A, B)
g = Segment(C, B)
h = Segment(C, D)
i = Segment(D, A)
j = Line(C, B)
E = Point(j)
d = Circle(A, D)
F = Intersect(d, f, 1)
m = Segment(E, B)
l = Segment(F, B)
p = CircleArc(C, D, E)
q = CircleArc(A, F, D)
G = Intersect(p, f)
n = Segment(B, F)
l1: {p, m, n, q}
H = Point(l1)
I: H
loc1 = Locus(I, H)
a = true
k = Segment(D, E)

Tool: 内切圆
内切圆[ <点>, <点>, <点> ]
Input: A, B, C
Output: d

t1, c, a, b = Polygon(A, B, C)
f = AngularBisector(B, A, C)
g = AngularBisector(A, C, B)
E = Intersect(g, f)
h = OrthogonalLine(E, a)
G = Intersect(h, a)
d = Circle(E, G)