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# Title: Erhardi Weigelii Sacrae Caesar. Maiest. ut & Com. Pal. Sultzb. Consiliarii, Supr. Artium Archit. Directoris Saxo Ien. Mathemat. PP. totius Academiae Senioris, Philosophia Mathematica (shelfmarks Leibn. Marg. 65; ZEN Leibn. Marg. 65)
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DE PROEORTIONE.
a
Subdictamen 3.
Triancula sicillatim aquioncula inter se
similia sunt, Cs habent latera circa 
quales anculos proportionalia.
Subdictamenq.
Polysona qua habent aque multa latera,
es anculos sicillatim es ordine aequales
inter se, (unt similia, Cs latera circa a
quales angulos sune proportionalia.
Subdictamenf.
omnia volreona similia, dividi possunt in
aqualem numerum Trianculorum simi-
linm.
Subdictamen6.
rgura curvilinea vel mixtilineae, quibui
inscribi possunt feurae similes, inter se 8
Cunt similes.
Productum III.
+
Aqualia parallelogramma rectan-
sulahrabent latera reciproce pro.
portionalia.
Scil. in Fig. 47. ut trons rectansuliprioris
F. TI. ad trontem rectanguli polterioris AD::
ul
ua reciproce latus trujus posterioris AB. 3d l2- v
CuS PrIOTIS. DEtiane duo medii cermini, qui
21I
l.
e
d4.2