ELEMENTS

OF

1844

GEOMETRY:

CONTAINING

THE FIRST SIX BOOKS OF EUCLID,

WITH A

SUPPLEMENT

ON THE

QUADRATURE OF THE CIRCLE AND THE GEOMETRY

OF SOLIDS;

TO WHICH ARE ADDED,

ELEMENTS

OF

PLANE AND SPHERICAL

TRIGONOMETRY.

BY JOHN PLAYFAIR, F. R. S. LOND. & EDIN.
Professor of Natural Philosophy, formerly of Mathematics, in the University of Edinburgh.

FIRST PHILADELPHIA, FROM THE LAST LONDON EDITION, ENLARGED

PHILADELPHIA:

PUBLISHED BY MAROT & WALTER,

No. 87; Market-street.

Printed at No. 24, Arch-street.-A. Walker, Agt.

1826.

QA

35

P722e

1826