$\mathrm{F}$

$l$

$m$

A = (-1.76, 0.84)
B = (-3.2390945850142967, 8.399094585014296)
C = (-3.2390945850142967, -5.020905414985703)
a = Line(B, C)
D = (-1.9387707573866293, -5.154068193579968)
E = (6.440526082894927, 6.878662667781097)
b = Line(D, E)

Tool: 길이도구
Input: S, T
Output: s_1

U = Midpoint(S, T)
V = Midpoint(U, T)
W = Midpoint(U, V)
Z = Midpoint(U, W)
Z' = Rotate(Z, 90*°, U)
s_1 = CircumcircleArc(S, Z', T)