C.C.
=
Centro de la circunfe-
rencia.
Lc
=
Longitud de la curva.
n
=
Número de cuerdas
uni-
tarias.
,
FORHULAS.
lo
10
10
~
=
sen g/2
9
=
2 ang sen
-R-
2.
R
=
10
sen g/2
3.
ST
tan
1:::./
2
A
2
tan ST
=
=
ang
R
R
4.
R
=
St cot
.6/
2
ST
=
R tan
1:>/2 •
5.
R +
E
A/ 2
R
ST
1:>/2
=
sen
+
E
=
sen
ST
E
=
ST sen
1:>/ 2
)
-
R
6.
E
+ F
,1/2
F
(
ST
A/2
)
=
sen
=
sen
-
E
ST
7.
e
=
2 R
sen A/2
8.
A
Lc
=
n
=
n m
9
=
n
x
20.
9 .
/::,.
=
ng¡
=
g' +g+g+ .... g+g"
114
1...,106,107,108,109,110,111,112,113,114,115 117,118,119,120,121,122,123,124,125,126,...190