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so&

Perf

pet!tiv~

Non diaimili ratione circa

quad~aca add~m~s

limbum uc fiaura Catis per íe ofiend1c,

fi

cn1m

m

linea

cc~rz

n"otemus in linera

e

longirndinem

diagonalis quadrati,

&

in litterá D laritudinem

limbi, duél:is

ut

prius diagonal.bus ad pun6l:a di–

fiancia:, cotum opus 3bÍolvemus.

!1:!l!!i!ll"i!•il!lll'1!1J¡jili'.llllll!1!9!!llll!l:!l!1:!l:llll!lll1J:11!lllll'1ll.!!lll1!N!~ll!lll1lll'.!.1

!1.fl

:Q!lft!!!!!lll"ll!1.!l:J&@:!ljllllll!i!!íllllllN!íl.!l!l21l:!lllfl

P

R O P

O

S

1 T 1

O

X.

Problema.

Pavimentt1rn

H.:

ql1adratú direal po/itu crrm limbo

&

t1liú quttdratú obliq11c collocatio.

Linea

cerri?

AG

ica dividacur,

lit

alternatim,

inveniatur lams quadtati

&

latimdo limbi, dull:is

deinde diagonalibus ad pund:a dilbmia:

&

tadiís,

ad punll:um principale , abfolvctur tomm pavi–

menmm: Nam diagonales,dabunt in radiis punll:a

per qua: duccnda: erunt parallela: linea: terra:. Si

adllllc vclis quadrata obliqt1a direél:is

infcriber~,

divide bifariam latera quadracomm direll:ornm in

Il

'e .

&c. &

ex lingulis pun6\is

clucanmr

hinc

indediagonales ad punél:adillanci::e,

&

abfolucmn

crir opus.

Demonllratio fatis patet,ex fuperioribus.

llnG"!i·Bll!1:!l!!!l!1:!l!!i!·G"!i!1!1!1:!ll1.!l!1:!l!llil!!lG!!!lllll"ll!illliillllGi!Ul!1lllll'1ll\"1l!lll1!6i.i!llll'1lll111l"lllí1!·1í1!~íl.!líl:!lllll~N!:ll/l001lllll!l

\

P R 'O P O S I T

1

O

X

l.

Problema.

eavimentllm q11adr111Ü ob!iqtle viji1 conft11n1' limbo q1111dr11tor111n direflor11m

inrerrupt11m defcribere.

H1jus propoÍtrionis praxis eadem efi, ac (

in

propofi1ione

9.) niíi quod , in A, 13, C, ducuncur

radii ad punll:um principale qmbus interrumpi-

tur feries quadratornm obliquorum , alia: combi–

nar iones fieri polfunt,qua: peculiarem non habent

difliculraccm.

ll1Jl1:!!G!!~ll!i

!l1.ll

!"llll111l"1!ll11•ll1JB!i(l:ljlJl1!l:l!trl:lll:!l~llmlll~OOllllll"ll,l1Jl!llJ,!tQ1!"1l1li:l!l:!l•llllllllll!l·l1ll!IDl1;!1!l:!lll:\i¡¡:¡j!l:!l

P

R.

O P O S l T

I O

X 11,

Problema.

Paviment11m exagonis conftam,

Sic pavimemum exagonis conflans delinean•

dum, litqne pnnél:um vifüs

A, di(hntia

oculi~

caballa