Under Development
A collection of classical geometry in computable formats along with code and diagrams.
Computable Euclid
›
Euclid Book 4
›
Browse books
Euclid Book 1
Euclid Book 2
Euclid Book 3
Euclid Book 4
Euclid Book 5
Euclid Book 6
Euclid Book 13
Euclid Book 4 Proposition 9
Statement
T
o
c
i
r
c
u
m
s
c
r
i
b
e
a
c
i
r
c
l
e
a
b
o
u
t
a
g
i
v
e
n
s
q
u
a
r
e
.
Computational Explanation
G
e
o
m
e
t
r
i
c
S
c
e
n
e
A
.
,
B
.
,
C
.
,
D
.
,
O
.
,
{
}
,
G
e
o
m
e
t
r
i
c
A
s
s
e
r
t
i
o
n
P
o
l
y
g
o
n
A
.
,
B
.
,
C
.
,
D
.
,
"
R
e
g
u
l
a
r
"
,
G
e
o
m
e
t
r
i
c
A
s
s
e
r
t
i
o
n
L
i
n
e
A
.
,
C
.
,
L
i
n
e
[
B
.
,
D
.
]
,
"
C
o
n
c
u
r
r
e
n
t
"
,
O
.
,
C
i
r
c
l
e
T
h
r
o
u
g
h
A
.
,
B
.
,
C
.
,
D
.
,
O
.
,
C
i
r
c
l
e
T
h
r
o
u
g
h
A
.
,
B
.
,
C
.
,
D
.
,
O
.
R
a
n
d
o
m
I
n
s
t
a
n
c
e
G
e
o
m
e
t
r
i
c
S
c
e
n
e
A
.
,
B
.
,
C
.
,
D
.
,
O
.
,
{
}
,
G
e
o
m
e
t
r
i
c
A
s
s
e
r
t
i
o
n
P
o
l
y
g
o
n
A
.
,
B
.
,
C
.
,
D
.
,
R
e
g
u
l
a
r
,
G
e
o
m
e
t
r
i
c
A
s
s
e
r
t
i
o
n
L
i
n
e
A
.
,
C
.
,
L
i
n
e
B
.
,
D
.
,
C
o
n
c
u
r
r
e
n
t
,
O
.
,
C
i
r
c
l
e
T
h
r
o
u
g
h
A
.
,
B
.
,
C
.
,
D
.
,
O
.
,
C
i
r
c
l
e
T
h
r
o
u
g
h
A
.
,
B
.
,
C
.
,
D
.
,
O
.
Explanations
coming soon
Classes
Euclid's Elements
Constructions
EuclidBook4
Related Theorems
EuclidBook4Proposition14
EuclidBook4Proposition5
EuclidBook4Proposition7
EuclidBook4Proposition8
