O

P0

P1

P2

P3

P4

P5

P6

Radian Exploration

unit circle

A = (3.42, 4.96)
B = (1.4260760572747393, 2.2488180696715734)
c = Circle(B, A)
C = Point(c)
a = Segment(B, C)
D = Point(c)
E = Point(c)
F = Point(c)
G = Point(c)
H = Point(c)
b = Segment(B, D)
d = Segment(B, E)
e = Segment(B, F)
f = Segment(B, G)
g = Segment(B, H)
I = Point(c)
h = Segment(B, I)
J = Intersect(f, g)
k = CircleArc(B, C, D)
p = CircleArc(B, D, E)
q = CircleArc(B, E, F)
r = CircleArc(B, F, G)
s = CircleArc(B, G, H)
t = CircleArc(B, H, I)
c_1 = CircleArc(B, I, C)
α = Angle(C, B, D)
β = Angle(D, B, E)
γ = Angle(E, B, F)
δ = Angle(F, B, G)
ε = Angle(G, B, H)
ζ = Angle(H, B, I)
η = Angle(I, B, C)
d_1 = Circle(B, 1)
text2: "Click and drag point O to make a circle that is a different size from the starter circle. 
The current radius of circle O is " + a + ".
As the size of the circle changes, notice what happens to the radius, arc lengths, and angle measures. 

(NOTE: The red circle always has radius 1 unit.)

What do you observe?"